[MINOR] Fix Remaining htmls links
diff --git a/_src/_data/project.yml b/_src/_data/project.yml
index 6627572..794611e 100644
--- a/_src/_data/project.yml
+++ b/_src/_data/project.yml
@@ -22,21 +22,21 @@
 dev_list: dev@systemds.apache.org
 dev_list_subscribe: dev-subscribe@systemds.apache.org
 dev_list_unsubscribe: dev-unsubscribe@systemds.apache.org
-dev_list_archive: http://mail-archives.apache.org/mod_mbox/systemds-dev/
+dev_list_archive: https://mail-archives.apache.org/mod_mbox/systemds-dev/
 dev_list_archive_mailarchive: https://www.mail-archive.com/dev@systemds.apache.org/
 dev_list_archive_markmail:
 
 commits_list: commits@systemds.apache.org
 commits_list_subscribe: commits-subscribe@systemds.apache.org
 commits_list_unsubscribe: commits-unsubscribe@systemds.apache.org
-commits_list_archive: http://mail-archives.apache.org/mod_mbox/systemds-commits/
+commits_list_archive: https://mail-archives.apache.org/mod_mbox/systemds-commits/
 commits_list_archive_mailarchive: https://www.mail-archive.com/commits@systemds.apache.org/
 commits_list_archive_markmail:
 
 issues_list: issues@systemds.apache.org
 issues_list_subscribe: issues-subscribe@systemds.apache.org
 issues_list_unsubscribe: issues-unsubscribe@systemds.apache.org
-issues_list_archive: http://mail-archives.apache.org/mod_mbox/systemds-issues/
+issues_list_archive: https://mail-archives.apache.org/mod_mbox/systemds-issues/
 issues_list_archive_mailarchive: https://www.mail-archive.com/issues@systemds.apache.org/
 issues_list_archive_markmail:
 
diff --git a/_src/documentation.html b/_src/documentation.html
index 6d5abcf..79f18b9 100644
--- a/_src/documentation.html
+++ b/_src/documentation.html
@@ -39,18 +39,18 @@
       <a class="button button-primary" href="{{ site.data.project.docs }}">Latest</a>
       <p></p>
       <a class="button button-primary" href="docs/2.0.0/index">2.0.0</a>
-      <a class="button button-primary" href="release-notes/systemds-release-notes-2.0.0.html">ReleaseNotes</a>
+      <a class="button button-primary" href="release-notes/systemds-release-notes-2.0.0">ReleaseNotes</a>
     </div>
     <div class="col col-4">
       <p>each released version of SystemML:</p>
       <ul>
-        <li><a href="docs/1.2.0/index">1.2.0</a>, <a href="release-notes/systemml-release-notes-1.2.0.html">ReleaseNotes</a></li>
-        <li><a href="docs/1.1.0/index">1.1.0</a>, <a href="release-notes/systemml-release-notes-1.1.0.html">ReleaseNotes</a></li>
-        <li><a href="docs/1.0.0/index">1.0.0</a>, <a href="release-notes/systemml-release-notes-1.0.0.html">ReleaseNotes</a></li>
-        <li><a href="docs/0.15.0/index">0.15.0</a>, <a href="release-notes/systemml-release-notes-0.15.0.html">ReleaseNotes</a></li>
-        <li><a href="docs/0.14.0/index">0.14.0</a>, <a href="release-notes/systemml-release-notes-0.14.0-incubating.html">ReleaseNotes</a></li>
-        <li><a href="docs/0.13.0/index">0.13.0</a>, <a href="release-notes/systemml-release-notes-0.13.0-incubating.html">ReleaseNotes</a></li>
-        <li><a href="docs/0.12.0/index">0.12.0</a>, <a href="release-notes/systemml-release-notes-0.12.0-incubating.html">ReleaseNotes</a></li>
+        <li><a href="docs/1.2.0/index">1.2.0</a>, <a href="release-notes/systemml-release-notes-1.2.0">ReleaseNotes</a></li>
+        <li><a href="docs/1.1.0/index">1.1.0</a>, <a href="release-notes/systemml-release-notes-1.1.0">ReleaseNotes</a></li>
+        <li><a href="docs/1.0.0/index">1.0.0</a>, <a href="release-notes/systemml-release-notes-1.0.0">ReleaseNotes</a></li>
+        <li><a href="docs/0.15.0/index">0.15.0</a>, <a href="release-notes/systemml-release-notes-0.15.0">ReleaseNotes</a></li>
+        <li><a href="docs/0.14.0/index">0.14.0</a>, <a href="release-notes/systemml-release-notes-0.14.0-incubating">ReleaseNotes</a></li>
+        <li><a href="docs/0.13.0/index">0.13.0</a>, <a href="release-notes/systemml-release-notes-0.13.0-incubating">ReleaseNotes</a></li>
+        <li><a href="docs/0.12.0/index">0.12.0</a>, <a href="release-notes/systemml-release-notes-0.12.0-incubating">ReleaseNotes</a></li>
       </ul>
     </div>
   </div>
diff --git a/_src/download.html b/_src/download.html
index b9bce6e..6d5dc24 100644
--- a/_src/download.html
+++ b/_src/download.html
@@ -38,7 +38,7 @@
       <h2>Downloads SystemDS</h2>
       <p>Apache SystemDS is released as a source artifact. Binary artifacts (including the ones available in Maven) are
         made available for your convenience. You will be prompted for a mirror Apache SystemDS is distributed under the
-        <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache License, version 2.0</a>. </p>
+        <a href="https://www.apache.org/licenses/LICENSE-2.0">Apache License, version 2.0</a>. </p>
     </div>
     <div class="col col-12 content-group">
       <h2>Download SystemDS {{ site.data.project.release_version }} for Spark 2.0.2 and above</h2>
@@ -54,7 +54,7 @@
           </tr>
           <tr>
             <td><a
-                href="http://www.apache.org/dyn/closer.lua/systemds/{{ site.data.project.release_version }}/systemds-{{ site.data.project.release_version }}-bin.tgz"
+                href="https://www.apache.org/dyn/closer.lua/systemds/{{ site.data.project.release_version }}/systemds-{{ site.data.project.release_version }}-bin.tgz"
                 target="_blank"> {{ site.data.project.release_name }}-{{ site.data.project.release_version }} (Binary
                 tgz)</a></td>
             <td><a
@@ -66,7 +66,7 @@
           </tr>
           <tr>
             <td><a
-                href="http://www.apache.org/dyn/closer.lua/systemds/{{ site.data.project.release_version }}/systemds-{{ site.data.project.release_version }}-bin.zip"
+                href="https://www.apache.org/dyn/closer.lua/systemds/{{ site.data.project.release_version }}/systemds-{{ site.data.project.release_version }}-bin.zip"
                 target="_blank">{{ site.data.project.release_name }}-{{ site.data.project.release_version }} (Binary
                 zip)</a></td>
             <td><a
@@ -78,7 +78,7 @@
           </tr>
           <tr>
             <td><a
-                href="http://www.apache.org/dyn/closer.lua/systemds/{{ site.data.project.release_version }}/systemds-{{ site.data.project.release_version }}-src.tgz"
+                href="https://www.apache.org/dyn/closer.lua/systemds/{{ site.data.project.release_version }}/systemds-{{ site.data.project.release_version }}-src.tgz"
                 target="_blank">{{ site.data.project.release_name }}-{{ site.data.project.release_version }} (Source
                 tgz)</a></td>
             <td><a
@@ -90,7 +90,7 @@
           </tr>
           <tr>
             <td><a
-                href="http://www.apache.org/dyn/closer.lua/systemds/{{ site.data.project.release_version }}/systemds-{{ site.data.project.release_version }}-src.zip"
+                href="https://www.apache.org/dyn/closer.lua/systemds/{{ site.data.project.release_version }}/systemds-{{ site.data.project.release_version }}-src.zip"
                 target="_blank">{{ site.data.project.release_name }}-{{ site.data.project.release_version }} (Source
                 zip)</a></td>
             <td><a
@@ -122,17 +122,17 @@
         </table>
 
         <p>Instructions for checking hashes and signatures is described on the <a
-            href="http://www.apache.org/info/verification.html" target="_blank">Verifying Apache Software Foundation
+            href="https://www.apache.org/info/verification.html" target="_blank">Verifying Apache Software Foundation
             Releases</a> page.
           These <a href="https://www.apache.org/dist/systemml/KEYS" target="_blank">KEYS</a> can be used to <a
-            href="http://www.apache.org/dyn/closer.cgi#verify" target="_blank">verify</a> the integrity of the
+            href="https://www.apache.org/dyn/closer.cgi#verify" target="_blank">verify</a> the integrity of the
           downloaded artifact using PGP signature (.asc).
         </p>
 
         <h3>Using Maven</h3>
 
         <p>We strongly encourage our users to configure a Maven repository mirror closer to their location. <br>
-          Please read <a href="http://maven.apache.org/guides/mini/guide-mirror-settings.html" target="_blank">How to
+          Please read <a href="https://maven.apache.org/guides/mini/guide-mirror-settings.html" target="_blank">How to
             Use Mirrors for Repositories</a>.
 
         <h4>Dependencies</h4>
@@ -146,9 +146,9 @@
 &lt;/dependency&gt;</pre>
 
         <h3>Previous Releases</h3>
-        <p>Previous releases of Apache SystemML can be obtained from <a href="http://archive.apache.org/dist/systemds/"
+        <p>Previous releases of Apache SystemML can be obtained from <a href="https://archive.apache.org/dist/systemds/"
             target="_blank">archives</a>. Previous incubator releases can be obtained from <a
-            href="http://archive.apache.org/dist/incubator/systemds/" target="_blank">incubator archives</a>. For Spark
+            href="https://archive.apache.org/dist/incubator/systemds/" target="_blank">incubator archives</a>. For Spark
           1.6 support, please use Apache SystemML 0.12.</p>
       </div>
     </div>
diff --git a/_src/get-started.html b/_src/get-started.html
index d019a52..fa4d0b2 100644
--- a/_src/get-started.html
+++ b/_src/get-started.html
@@ -37,25 +37,4 @@
       <a class="button button-primary" href="{{ site.data.project.docs }}site/install">Install SystemDS</a>
     </div>
   </div>
-
-  <!-- Sample Notebooks -->
-  <h2 id="sample-notebook" class="text-center">Sample Notebooks</h2>
-  <div class="flex-container">
-    <div class="nb-card">
-      <h3>Prototype algorithms with SystemDS</h3>
-      <p>This notebook demonstrates the development setup and usage of SystemDS.</p>
-      <a class="nb-link"
-      href="https://colab.research.google.com/github/apache/systemds/blob/master/notebooks/systemds_dev.ipynb"
-      target="_blank"><span><img src="https://www.tensorflow.org/images/colab_logo_32px.png">  Run in browser</span></a>
-    </div>
-    <div class="nb-card">
-      <h3>Working with Databricks platform</h3>
-      <p>This notebook provides with basic walkthrough of how to use systemds library on databricks platform</p>
-      <a class="nb-link"
-        href="https://github.com/apache/systemds/blob/master/notebooks/databricks/MLContext.scala"
-        target="_blank"><span class="icon databricks-logo"></span><span>View on Github</span></a>
-    </div>
-    
-
-  </div>
 </section>
\ No newline at end of file
diff --git a/_src/install-systemml.html b/_src/install-systemml.html
deleted file mode 100644
index 03f23c6..0000000
--- a/_src/install-systemml.html
+++ /dev/null
@@ -1,237 +0,0 @@
----
-layout: page
-title: Install SystemML
-description: Install SystemML Page
-group: nav-right
----
-<!--
-{% comment %}
-Licensed to the Apache Software Foundation (ASF) under one or more
-contributor license agreements.  See the NOTICE file distributed with
-this work for additional information regarding copyright ownership.
-The ASF licenses this file to you under the Apache License, Version 2.0
-(the "License"); you may not use this file except in compliance with
-the License.  You may obtain a copy of the License at
-
-http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-{% endcomment %}
--->
-
-<!-- Hero  -->
-<!-- <section class="full-stripe full-stripe--subpage-header clear-header">
-  <div class="ml-container ml-container--horizontally-center">
-    <div class="col col-12 content-group">
-      <h1>Tutorials</h1>
-    </div>
-  </div>
-</section> -->
-
-
-<!-- Tutorial Instructions -->
-<section class="full-stripe full-stripe--alternate">
-
-  <!-- Section 1 -->
-  <div class="ml-container content-group content-group--tutorial border">
-    <!-- Section Header -->
-    <div class="col col-12 content-group--medium-bottom-margin">
-      <h2>Install SystemML</h2>
-    </div>
-
-    <!-- Step 1 Instructions -->
-    <div class="col col-12">
-      <h3><span class="circle">1</span>Pre-requisite</h3>
-    </div>
-
-    <!-- Step 1 Code -->
-    <div class="col col-12">
-
-      <p class="indent">Apache Spark 2.x</p>
-      <p class="indent">Set SPARK_HOME to a location where Spark 2.x is installed.</p>
-
-	<div id="prerequisite-tabs">
-        	<ul>
-                	<li><a href="#prerequisite-tabs-1">MacOS/Linux</a></li>
-                	<li><a href="#prerequisite-tabs-2">Windows</a></li>
-        	</ul>
-
-        	<div id="prerequisite-tabs-1">
-		1) Java	<br />
-		Make sure Java version is >= 1.8 and JAVA_HOME environment variable is set:
-		{% highlight bash %} 
-java -version 
-export JAVA_HOME="$(/usr/libexec/java_home)"{% endhighlight %}
-
-		2) Spark <br />
-		Download Spark from <a href="https://spark.apache.org/downloads.html">https://spark.apache.org/downloads.html</a> and move to home directory, and extract. Also, set environment variables to point to the extracted directory
-		{% highlight bash %} 
-export SPARK_HOME="$HOME/spark-2.1.0-bin-hadoop2.7"
-export HADOOP_HOME=$SPARK_HOME
-export SPARK_LOCAL_IP=127.0.0.1{% endhighlight %}
-
-		3) Python and Jupyter <br />
-		Download and install Anaconda Python 3+ from <a href="https://www.anaconda.com/distribution/#download-section">https://www.anaconda.com/distribution/#download-section</a> (includes jupyter, and pip)
-		{% highlight bash %} 
-export PYSPARK_DRIVER_PYTHON=jupyter
-export PYSPARK_DRIVER_PYTHON_OPTS='notebook' $SPARK_HOME/bin/pyspark --master local[*] --driver-memory 8G{% endhighlight %}
-		</div>
-
-		<div id="prerequisite-tabs-2">
-		1) Java <br />
-                Make sure Java version is >= 1.8. Also, set JAVA_HOME environment variable and include %JAVA_HOME%\bin in the environment variable PATH:
-                {% highlight bash %} 
-java -version  
-ls "%JAVA_HOME%"{% endhighlight %}
-
-                2) Spark <br />
-                Download Spark from <a href="https://spark.apache.org/downloads.html">https://spark.apache.org/downloads.html</a> and extract. Set the environment variable SPARK_HOME to point to the extracted directory. <br />
-		
-		3) Install winutils <br />
-- Download winutils.exe from <a href="http://github.com/steveloughran/winutils/raw/master/hadoop-2.6.0/bin/winutils.exe">http://github.com/steveloughran/winutils/raw/master/hadoop-2.6.0/bin/winutils.exe</a>  <br />
-- Place it in c:\winutils\bin <br />
-- Set environment variable HADOOP_HOME to point to c:\winutils <br />
-- Add c:\winutils\bin to the environment variable PATH. <br />
-- Finally, modify permission of hive directory that will be used by Spark and check if Spark is correctly installed:
-
-                {% highlight bash %} 
-winutils.exe chmod 777 /tmp/hive
-%SPARK_HOME%\bin\spark-shell
-%SPARK_HOME%\bin\pyspark --master local[*] --driver-memory 8G{% endhighlight %}
-
-                3) Python and Jupyter <br />
-                Download and install Anaconda Python 3+ from <a href="https://www.anaconda.com/distribution/#download-section">https://www.anaconda.com/distribution/#download-section</a> (includes jupyter, and pip)
-                {% highlight bash %} 
-set PYSPARK_DRIVER_PYTHON=jupyter
-set PYSPARK_DRIVER_PYTHON_OPTS=notebook
-%SPARK_HOME%\bin\pyspark --master local[*] --driver-memory 8G{% endhighlight %}
-        	</div>
-
-	</div>
-    </div>
-
-    <!-- Step 2 -->
-    <div class="col col-12">
-      <h3><span class="circle">2</span>Setup SystemML</h3>
-    </div>
-
-<div id="setup-tabs">
-	<ul>
-		<li><a href="#setup-tabs-1">Python</a></li>
-		<li><a href="#setup-tabs-2">Scala</a></li>
-		<li><a href="#setup-tabs-3">Dev Python (Latest code)</a></li>
-		<li><a href="#setup-tabs-4">Dev Scala (Latest code)</a></li>
-	</ul>
-	<div id="setup-tabs-1">
-		1) Install SystemML:
-		{% highlight bash %}
-pip install systemml{% endhighlight %}
-2) For more information, please see the SystemML project documentation:<br/>
-<pre>
-<a href="http://systemml.apache.org/docs/{{ site.data.project.release_version }}/index.html">http://systemml.apache.org/docs/{{ site.data.project.release_version }}/index.html</a>
-<a href="http://systemml.apache.org/docs/{{ site.data.project.release_version }}/beginners-guide-python">http://systemml.apache.org/docs/{{ site.data.project.release_version }}/beginners-guide-python</a>
-</pre>
-	</div>
-	<div id="setup-tabs-2">
-1) Download Apache SystemML binary release (tgz or zip):<br/>
-<pre><a href="http://www.apache.org/dyn/closer.lua/systemml/{{ site.data.project.release_version }}/systemml-{{ site.data.project.release_version }}-bin.tgz">http://www.apache.org/dyn/closer.lua/systemml/{{ site.data.project.release_version }}/systemml-{{ site.data.project.release_version }}-bin.tgz</a></pre>
-
-2) Extract binary release contents:<br/>
-<pre>tar -xvzf systemml-{{ site.data.project.release_version }}-bin.tgz</pre>
-
-3) Go to project root directory:</br>
-<pre>cd systemml-{{ site.data.project.release_version }}-bin</pre>
-
-4) Start Spark Shell with SystemML jar file:<br/>
-<pre>
-spark-shell --executor-memory 4G --driver-memory 4G --jars lib/systemml-{{ site.data.project.release_version }}.jar
-</pre>
-
-5) You're all set to run SystemML on Spark:<br/>
-<pre>
-import org.apache.sysml.api.mlcontext._
-import org.apache.sysml.api.mlcontext.ScriptFactory._
-val ml = new MLContext(spark)
-val helloScript = dml("print('hello world')")
-ml.execute(helloScript)
-</pre>
-
-6) For more information, please see the SystemML project documentation:<br/>
-<pre>
-<a href="http://systemml.apache.org/docs/{{ site.data.project.release_version }}/index.html">http://systemml.apache.org/docs/{{ site.data.project.release_version }}/index.html</a>
-<a href="http://systemml.apache.org/docs/{{ site.data.project.release_version }}/spark-mlcontext-programming-guide">http://systemml.apache.org/docs/{{ site.data.project.release_version }}/spark-mlcontext-programming-guide</a>
-</pre>
-
-	</div>
-	<div id="setup-tabs-3">
-1) Install python development build of SystemML:
-		{% highlight bash %}
-pip install https://sparktc.ibmcloud.com/repo/latest/systemml-1.0.0-SNAPSHOT-python.tar.gz{% endhighlight %}
-	</div>
-	<div id="setup-tabs-4">
-		1) Download binary development build of SystemML (tgz or zip):<br/>
-		<pre><a href="https://sparktc.ibmcloud.com/repo/latest/systemml-1.0.0-SNAPSHOT-bin.tgz">https://sparktc.ibmcloud.com/repo/latest/systemml-1.0.0-SNAPSHOT-bin.tgz</a></pre>
-
-		2) See further steps on Scala tab.
-	</div>
-</div>
-
-  <!-- Step 3 Instructions -->
-  <div class="col col-12">
-    <h3><span class="circle">3</span>Configure Jupyter Notebook (Optional)</h3>
-  </div>
-
-<div id="configure-jupyter-tabs">
-	<ul>
-		<li><a href="#configure-jupyter-tabs-1">Python</a></li>
-		<li><a href="#configure-jupyter-tabs-2">Scala</a></li>
-	</ul>
-	<div id="configure-jupyter-tabs-1">
-		{% highlight bash %}
-# Start Jupyter Notebook Server
-PYSPARK_DRIVER_PYTHON=jupyter PYSPARK_DRIVER_PYTHON_OPTS="notebook" pyspark --master local[*] --conf "spark.driver.memory=12g" --conf spark.driver.maxResultSize=0 --conf spark.default.parallelism=100
-		{% endhighlight %}
-	</div>
-	<div id="configure-jupyter-tabs-2">
-<h4>1) Toree Kernel Setup (Required for Scala Kernel)</h4>
-1.1) Toree Installation:<br/>
-For detailed instructions, visit <a href="https://github.com/apache/incubator-toree">https://github.com/apache/incubator-toree</a>.
-{% highlight bash %}
-pip install https://dist.apache.org/repos/dist/dev/incubator/toree/0.2.0/snapshots/dev1/toree-pip/toree-0.2.0.dev1.tar.gz
-{% endhighlight %}
-
-1.2) Installation of Toree in Jupyter:<br/>
-For detailed instructions, visit <a href="https://toree.apache.org/docs/current/user/installation">https://toree.apache.org/docs/current/user/installation</a>.
-{% highlight bash %}
-jupyter toree install —-replace —-interpreters=Scala,PySpark --spark_opts="--master=local --jars <SystemML JAR File>” --spark_home=${SPARK_HOME}
-{% endhighlight %}
-
-<h4>2) Start Jupyter Notebook Server</h4>
-{% highlight bash %}jupyter notebook{% endhighlight %}
-<p>This will start a default browser with contents from the directory where the above command was run.
-You can create your own notebook or download sample notebooks from the SystemML GitHub repository at
-<a href="https://github.com/apache/systemml/tree/master/samples/jupyter-notebooks">https://github.com/apache/systemml/tree/master/samples/jupyter-notebooks</a>.</p>
-<figure class="img-border"><img src="/assets/img/systemml-juypter-install.jpeg" alt="Start Jupyter Notebook Server"></figure>
-<figure class="img-border"><img src="/assets/img/systemml-juypter-install-2.jpeg" alt="Start Jupyter Notebook Server"></figure>
-	</div>
-</div>
-
-  </div>
-
-  <div class="flex-container flex-banner--horizontally-center">
-    <a class="button button-secondary button-center" href="get-started.html#sample-notebook">Sample Notebooks</a>
-  </div>
-
-
-</section>
-
-<script src="assets/js/jquery-1.12.4.min.js"></script>
-<script src="assets/js/jquery-ui-1.12.1.min.js"></script>
-<script>
-$("#setup-tabs").tabs();
-$("#configure-jupyter-tabs").tabs();
-</script>