Merge pull request #8780 from edx/db/mention-confluence-in-readme

Mention Confluence in the README

README.rst

@@ -55,9 +55,16 @@ Documentation is managed in the `edx-documentation`_ repository. Documentation
 is built using `Sphinx`_: you can `view the built documentation on
 ReadTheDocs`_.
 
+You can also check out `Confluence`_, our wiki system. Once you sign up for
+an account, you'll be able to create new pages and edit existing pages, just
+like in any other wiki system. You only need one account for both Confluence
+and `JIRA`_, our issue tracker.
+
 .. _Sphinx: http://sphinx-doc.org/
 .. _view the built documentation on ReadTheDocs: http://docs.edx.org/
 .. _edx-documentation: https://github.com/edx/edx-documentation
+.. _Confluence: http://openedx.atlassian.net/wiki/
+.. _JIRA: https://openedx.atlassian.net/
 
 
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