Update documentation for 0.9.3
diff --git a/docs/manual/source/install/index.html.md b/docs/manual/source/install/index.html.md
index 030e0eb..5c747a7 100644
--- a/docs/manual/source/install/index.html.md
+++ b/docs/manual/source/install/index.html.md
@@ -24,12 +24,23 @@
It is **very important** to meet the minimum version of the following
technologies that power PredictionIO.
-* Apache Hadoop 2.4.0 (required only if YARN and HDFS are needed)
-* Apache HBase 0.98.6
+* Apache Hadoop 2.4.0 (optional, required only if YARN and HDFS are needed)
* Apache Spark 1.3.0 for Hadoop 2.4
-* Elasticsearch 1.4.0
* Java SE Development Kit 7
+and one of the following sets:
+
+* PostgreSQL 9.1
+
+or
+
+* MySQL 5.1
+
+or
+
+* Apache HBase 0.98.6
+* Elasticsearch 1.4.0
+
If you are running on a single machine, we recommend a minimum of 2GB memory.
INFO: If you are using Linux, Apache Spark local mode, which is the default
diff --git a/docs/manual/source/install/install-linux.html.md.erb b/docs/manual/source/install/install-linux.html.md.erb
index 0dd18fd..bbf3530 100644
--- a/docs/manual/source/install/install-linux.html.md.erb
+++ b/docs/manual/source/install/install-linux.html.md.erb
@@ -62,11 +62,15 @@
#### Elasticsearch Setup
+WARNING: You may skip this section if you are using PostgreSQL or MySQL.
+
<%= partial 'shared/install/elasticsearch' %>
#### HBase Setup<a class="anchor" name="hbase"> </a>
+WARNING: You may skip this section if you are using PostgreSQL or MySQL.
+
<%= partial 'shared/install/hbase' %>
diff --git a/docs/manual/source/install/install-sourcecode.html.md.erb b/docs/manual/source/install/install-sourcecode.html.md.erb
index cf019ab..372b372 100644
--- a/docs/manual/source/install/install-sourcecode.html.md.erb
+++ b/docs/manual/source/install/install-sourcecode.html.md.erb
@@ -54,11 +54,15 @@
#### Elasticsearch Setup
+WARNING: You may skip this section if you are using PostgreSQL or MySQL.
+
<%= partial 'shared/install/elasticsearch' %>
#### <a name="hbase"></a>HBase Setup
+WARNING: You may skip this section if you are using PostgreSQL or MySQL.
+
<%= partial 'shared/install/hbase' %>
diff --git a/docs/manual/source/partials/shared/install/_dependent_services.html.erb b/docs/manual/source/partials/shared/install/_dependent_services.html.erb
index cf74429..073baad 100644
--- a/docs/manual/source/partials/shared/install/_dependent_services.html.erb
+++ b/docs/manual/source/partials/shared/install/_dependent_services.html.erb
@@ -1,5 +1,9 @@
### Start PredictionIO and Dependent Services
+WARNING: If you are using PostgreSQL or MySQL, skip `pio-start-all` and
+`pio-stop-all`, and do `PredictionIO-<%= data.versions.pio %>/bin/pio eventserver &`
+instead.
+
Simply do `PredictionIO-<%= data.versions.pio %>/bin/pio-start-all` and you
should see something similar to the following:
diff --git a/docs/manual/source/partials/shared/quickstart/_install.html.md.erb b/docs/manual/source/partials/shared/quickstart/_install.html.md.erb
index cb26a30..4347b68 100644
--- a/docs/manual/source/partials/shared/quickstart/_install.html.md.erb
+++ b/docs/manual/source/partials/shared/quickstart/_install.html.md.erb
@@ -9,16 +9,24 @@
$ PATH=$PATH:/home/yourname/PredictionIO/bin; export PATH
```
-NOTE: If you lauched **PredictionIO AWS instance**, the path is located at
+NOTE: If you launched **PredictionIO AWS instance**, the path is located at
`/opt/PredictionIO/bin`.
Once you have completed the installation process, please make sure all the
components (PredictionIO Event Server, Elasticsearch, and HBase) are up and
running.
-NOTE: If you lauched **PredictionIO AWS instance**, you can skip `pio-start-all`. All components should have been started automatically.
+NOTE: If you launched **PredictionIO AWS instance**, you can skip `pio-start-all`. All components should have been started automatically.
-Run the following to start all PrediciotnIO components:
+If you are using PostgreSQL or MySQL, run the following to start PredictionIO
+Event Server:
+
+```
+$ pio eventserver &
+```
+
+If instead you are running HBase and Elasticsearch, run the following to start
+all PredictionIO Event Server, HBase, and Elasticsearch:
```
$ pio-start-all
diff --git a/docs/manual/source/release-notes.html.md b/docs/manual/source/release-notes.html.md
index 6417660..731c6ab 100644
--- a/docs/manual/source/release-notes.html.md
+++ b/docs/manual/source/release-notes.html.md
@@ -6,6 +6,18 @@
### What's New
+0.9.3 Release | May 20th, 2015 | [Release Notes](https://predictionio.atlassian.net/jira/secure/ReleaseNote.jspa?projectId=10000&version=13600)
+
+- Add support of developing prediction engines in Java
+
+- Add support of PostgreSQL and MySQL
+
+- Spark 1.3.1 compatibility fix
+
+- Creation of specific app access keys
+
+- Prevent a case where `pio build` accidentally removes PredictionIO core library
+
0.9.2 Release | April 14th, 2015 | [Release Notes](https://predictionio.atlassian.net/jira/secure/ReleaseNote.jspa?projectId=10000&version=13500)
- Channels in the Event Server
diff --git a/docs/manual/source/start/download.html.md b/docs/manual/source/start/download.html.md
index a8f67d7..7db1dcd 100644
--- a/docs/manual/source/start/download.html.md
+++ b/docs/manual/source/start/download.html.md
@@ -18,4 +18,4 @@
NOTE: `pio` is a command available in the `bin/` of the installed PredictionIO directory. You may add the installed Prediction's bin/ directory path to you environment PATH.
-Please browse the [PredictionIO template gallery]((http://templates.prediction.io/)) to choose an engine template.
+Please browse the [PredictionIO template gallery](http://templates.prediction.io/) to choose an engine template.
