Adding dev email list to readme & contributing files.

CONTRIBUTING.rst

@@ -11,7 +11,7 @@ In no particular order, examples include:
 - Documentation improvements
 - Tutorials
 
-No contribution is too small. Although, contributions can be too big, so let's discuss via the `email list`_ OR `an issue`_.
+No contribution is too small. Although, contributions can be too big, so let's discuss via the `dev email list`_ OR `an issue`_.
 
 **To submit a contribution**
 
@@ -24,7 +24,7 @@ No contribution is too small. Although, contributions can be too big, so let's d
 - Submit as a pull request.
 - Describe the change w/ ticket number(s) that the code fixes.
 
-.. _`email list` : https://groups.google.com/forum/#!forum/projectmesa
+.. _`dev email list` : https://groups.google.com/forum/#!forum/projectmesa-dev
 .. _`an issue` : https://github.com/projectmesa/mesa/issues
 .. _`Travis build` : https://travis-ci.org/projectmesa/mesa
 

README.rst

@@ -52,25 +52,25 @@ For more help on using Mesa, check out the following resources:
 
 * `Intro to Mesa Tutorial`_
 * `Docs`_
-* `Email list`_
+* `Email list for users`_
 * `PyPI`_
 
 .. _`Intro to Mesa Tutorial` : http://mesa.readthedocs.org/en/latest/tutorials/intro_tutorial.html
 .. _`Docs` : http://mesa.readthedocs.org/en/latest/
-.. _`Email list` : https://groups.google.com/d/forum/projectmesa
+.. _`Email list for users` : https://groups.google.com/d/forum/projectmesa
 .. _`PyPI` : https://pypi.python.org/pypi/Mesa/
 
 Contributing back to Mesa
 ----------------------------
 
 If you run into an issue, please file a `ticket`_ for us to discuss. If possible, follow up with a pull request.
 
-If you would like to add a feature, please reach out via `ticket`_ or the `email list`_ for discussion. A feature is most likely to be added if you build it!
+If you would like to add a feature, please reach out via `ticket`_ or the `dev email list`_ for discussion. A feature is most likely to be added if you build it!
 
 * `Contributors guide`_
 * `Github`_
 
 .. _`ticket` : https://github.com/projectmesa/mesa/issues
-.. _`email list` : https://groups.google.com/d/forum/projectmesa
+.. _`dev email list` : https://groups.google.com/forum/#!forum/projectmesa-dev
 .. _`Contributors guide` : https://github.com/projectmesa/mesa/blob/master/CONTRIBUTING.rst
 .. _`Github` : https://github.com/projectmesa/mesa/