Autobuild (#199)

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 5d90949..683abf0 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -6,8 +6,8 @@
 
 When submitting a pull request (PR), please use the following guidelines:
 
-- First verify your changes by running `bundle exec jekyll serve -w`.
-- For most webpage changes, please submit pull requests to this repository based off the "src" branch.
+- First verify your changes by [building & running](README.md#building) this
+- For most webpage changes, please submit pull requests to this repository
 - For any documentation changes (in the "docs" folder), please submit pull requests to the [main Druid
   repo](https://github.com/apache/druid-website-src). All Druid
   documentation is hosted under
diff --git a/community/index.html b/community/index.html
index 27a4e00..ac4a9fc 100644
--- a/community/index.html
+++ b/community/index.html
@@ -127,23 +127,28 @@
     <div class="col-md-10 col-md-offset-1">
       <h2 id="community">Community</h2>
 
-<p>Most discussion about Druid happens over email and GitHub, but those aren&#39;t the only way to interact with the Druid
-community. We also do chat, meetups, and more. Check out the following resources if you&#39;re looking for help, to discuss
-Druid development, or just stay up to date:</p>
+<p>Most discussion about Druid happens over <a href="/community/join-slack?v=1">Slack</a>, <a href="https://github.com/apache/druid">GitHub</a>, and the <a href="https://lists.apache.org/list.html?dev@druid.apache.org">Apache Dev list</a>, but those aren&#39;t the only way to interact with the Druid
+community. We also do chat, meetups, and more.</p>
+
+<p>Check out the following resources if you&#39;re looking for help, to discuss Druid development, or just stay up to date:</p>
 
 <ul>
-<li><strong>User mailing list:</strong> <a href="https://groups.google.com/forum/#!forum/druid-user">druid-user@googlegroups.com</a> for general
-discussion, questions, and announcements. This is the perfect place to ask for help if you need it!</li>
-<li><strong>Druid Forum:</strong> Ask and answer questions, read and submit tips and tricks, and find links to Apache Druid articles and videos in the <a href="https://www.druidforum.org/">Druid Forum</a> (by Imply).</li>
-<li><strong>Development mailing list:</strong> <a href="https://lists.apache.org/list.html?dev@druid.apache.org">dev@druid.apache.org</a> for
-discussion about project development.</li>
+<li><strong>Slack:</strong> Many users and committers are present on Apache Druid Slack. Use this link to join and invite others: <a href="/community/join-slack?v=1">https://druid.apache.org/community/join-slack</a>. This is the perfect place to ask for help if you need it!</li>
 <li><strong>GitHub:</strong> Star us at <a href="https://github.com/apache/druid">apache/druid</a> and use this to follow Druid development, raise
 issues, or contribute pull requests. If you&#39;re interested in development, please see the <a href="#contributing">Contributing</a>
 section below for details on our development process.</li>
+<li><strong>Development mailing list:</strong> <a href="https://lists.apache.org/list.html?dev@druid.apache.org">dev@druid.apache.org</a> for
+discussion about project development.</li>
+<li><strong>Twitter:</strong> Follow us on Twitter at <a href="https://twitter.com/druidio">@druidio</a>.</li>
+</ul>
+
+<p>Also check out:</p>
+
+<ul>
+<li><strong>User mailing list:</strong> <a href="https://groups.google.com/forum/#!forum/druid-user">druid-user@googlegroups.com</a> for general
+discussion, questions, and announcements.</li>
 <li><strong>Meetups:</strong> Check out <a href="https://www.meetup.com/topics/apache-druid/">Apache Druid on meetup.com</a> for links to regular
 meetups in cities all over the world.</li>
-<li><strong>Slack:</strong> Many users and committers are present on Apache Druid Slack. Use this link to join and invite others: <a href="/community/join-slack?v=1">https://druid.apache.org/community/join-slack</a></li>
-<li><strong>Twitter:</strong> Follow us on Twitter at <a href="https://twitter.com/druidio">@druidio</a>.</li>
 <li><strong>StackOverflow:</strong> While the user mailing list is the primary resource for asking questions, if you prefer
 StackOverflow, make sure to tag your question with <code>druid</code> or <code>apache-druid</code>.</li>
 </ul>
diff --git a/index.html b/index.html
index 1cba591..38107fc 100644
--- a/index.html
+++ b/index.html
@@ -122,8 +122,11 @@
   <div class="row">
     <div class="text-center">
     <p class="lead">Apache Druid is a real-time database to power modern analytics applications.</p>
-    <p><a class="button" href="/downloads.html"><span class="fa fa-download"></span> Download</a>
-    <a class="button" href="https://github.com/apache/druid/"><span class="fab fa-github"></span> GitHub</a></p>
+    <p>
+      <a class="button" href="/downloads.html"><span class="fa fa-download"></span> Download</a>
+      <a class="button" href="/community/join-slack?v=1"><span class="fab fa-slack"></span> Join Slack</a>
+      <a class="button" href="https://github.com/apache/druid/"><span class="fab fa-github"></span> GitHub</a></p>
+    </p>
   </div>
   </div>
   </div>