first of many docs fixes (#2684)

docs/about.txt

@@ -61,13 +61,7 @@ The development community is very supportive of new projects and contributes ide
 Convinced! Where do I sign?
 ===========================
 
-The next steps are to follow the :ref:`quick_installation`, :doc:`read the tutorials </tutorials/index>` and email [email protected] to join the community. Thanks for your interest!
-
-.. note::
-
-    The registration process for the mailing list is the following:
-      #. Send an email to [email protected] with any subject or content.
-      #. Get a confirmation notice from [email protected] and confirm by replying.
-      #. Once the above is complete, you are registered and you can start sending emails to the community.
-
+The next steps are to follow the :ref:`quick_installation`, :doc:`read the tutorials </tutorials/index>` and subscribe to the `geonode-users`_ and/or `geonode-devel`_ mailing lists to join the community. Thanks for your interest!
 
+.. _geonode-users: https://lists.osgeo.org/mailman/listinfo/geonode-users
+.. _geonode-devel: https://lists.osgeo.org/mailman/listinfo/geonode-devel

docs/index.txt

@@ -6,7 +6,7 @@ GeoNode's Documentation
 
 Welcome to GeoNode's Documentation.
 
-GeoNode is an Open Source, Content Management System (CMS) for geospatial data. It is a web-based application and platform for developing geospatial information systems (GIS) and for deploying spatial data infrastructures (SDI). 
+GeoNode is an Open Source, Content Management System (CMS) for geospatial data. It is a web-based application and platform for developing geospatial information systems (GIS) and for deploying spatial data infrastructures (SDI).
 
 First Steps
 ===========
@@ -23,15 +23,15 @@ How To Use The Documentation
 
 The documentation is geared toward three distinct types of users:
 
- #. **Users**: Are people who log into a GeoNode website and use its functionality. 
- #. **Administrators**: Are people who install and deploy GeoNode websites in production for their Users. 
- #. **Developers**:  Are people who write code to add functionality, integrate with other systems, fix bugs, and potentially help an Administrator setup a server and deploy a GeoNode instance for production. 
+ #. **Users**: Are people who log into a GeoNode website and use its functionality.
+ #. **Administrators**: Are people who install and deploy GeoNode websites in production for their Users.
+ #. **Developers**:  Are people who write code to add functionality, integrate with other systems, fix bugs, and potentially help an Administrator setup a server and deploy a GeoNode instance for production.
 
 
 The documentation is divided into three sections:
 
  #. :doc:`Tutorials: <tutorials/index>` Step-by-step instructions in workshop format that help a user to accomplish a set of tasks.
- #. :doc:`Reference: <reference/index>` Architecture, component information, API descriptions etc. 
+ #. :doc:`Reference: <reference/index>` Architecture, component information, API descriptions etc.
  #. :doc:`Organizational: <organizational/index>`  About the project, how to contribute, links, resources, other info.
 
 Table of contents
@@ -43,7 +43,7 @@ About GeoNode
 .. toctree::
     :maxdepth: 5
 
-    about 
+    about
 
 Tutorials
 ---------
@@ -53,7 +53,7 @@ The :doc:`Tutorials <tutorials/index>` section contains step-by-step workshops t
 .. toctree::
     :maxdepth: 5
 
-    tutorials/index 
+    tutorials/index
 
 Reference
 ---------
@@ -82,17 +82,18 @@ Need Help?
 Having trouble? Cant find what you are looking for? We'd like to help!
 
  * Search for information in the `archives of the GeoNode  mailing list`_, or
-   `post a question`_.
+   `subscribe and post a question`_.
+
+ * Join the GeoNode chat in `gitter.im/GeoNode`_.
 
  * Ask a question in the `#geonode IRC channel`_ using
    `Freenode's web based client`_.
 
- * Report bugs with GeoNode in our `ticket tracker`_.
+ * Report bugs with GeoNode in our `issue tracker`_.
 
-.. _archives of the GeoNode mailing list: https://groups.google.com/d/forum/geonode-users
-.. _post a question: mailto:geonode-users[email protected]
+.. _archives of the GeoNode mailing list: https://lists.osgeo.org/pipermail/geonode-users/
+.. _subscribe and post a question: https://lists.osgeo.org/mailman/listinfo/geonode-users
 .. _#geonode IRC channel: irc://irc.freenode.net/geonode
 .. _Freenode's web based client: http://webchat.freenode.net
-.. _ticket tracker: http://github.com/GeoNode/geonode/issues
-
-
+.. _gitter.im/GeoNode: https://gitter.im/GeoNode
+.. _issue tracker: http://github.com/GeoNode/geonode/issues