Update the README

Added links to how to contribute and coding standards sections in docs, IRC channel, updated wiki link, etc.

README.rst

@@ -2,26 +2,33 @@ CKAN is open-source data hub software. CKAN makes it easy to publish, share and
 work with data. It's a data management system that provides a powerful platform
 for cataloging, storing and accessing datasets with a rich front-end, full API
 (for both data and catalog), visualization tools and more. Read more at
-http://ckan.org/. 
+`ckan.org <http://ckan.org/>`_. 
 
- * Installation instructions: see docs at http://docs.ckan.org/
- * Project wiki: http://wiki.ckan.org/
- * Developer mailing list: ckan-dev@lists.okfn.org
- * Issue tracker: http://trac.ckan.org/
 
-Building Documentation
-======================
+Installation
+============
 
-1. Install python-sphinx (>= 1.1)
+See the `CKAN Documentation <http://docs.ckan.org>`_ for installation instructions.
 
-2. Initialize the theme submodule::
 
-    git submodule init
-    git submodule update
+Community
+=========
 
-3. Run the command to build the docs::
+* Developer mailing list: `ckan-dev@lists.okfn.org <http://lists.okfn.org/mailman/listinfo/ckan-dev>`_
+* Developer IRC channel: #ckan on `irc.freenode.net <http://freenode.net/>`_
+* Issue tracker: `trac.ckan.org <http://trac.ckan.org/>`_
+
+
+Contributing to CKAN
+====================
+
+CKAN is a free software project and code contributions are welcome.
+The `For CKAN Developers <http://docs.ckan.org/en/latest/index.html#for-ckan-developers>`_
+section of the documentation explains how to contribute to CKAN or its documentation,
+including our **coding standards**.
+
+The `CKAN Wiki <https://github.com/okfn/ckan/wiki>`_ is also open fo contributions.
 
-    python setup.py build_sphinx
 
 Copying and License
 ===================
@@ -31,5 +38,4 @@ This material is copyright (c) 2006-2011 Open Knowledge Foundation.
 It is open and licensed under the GNU Affero General Public License (AGPL) v3.0
 whose full text may be found at:
 
-http://www.fsf.org/licensing/licenses/agpl-3.0.html
-
+http://www.fsf.org/licensing/licenses/agpl-3.0.html