Replace refs to Mercurial by Git

doc/index.txt

@@ -44,7 +44,7 @@ version, available via::
 
 You can then place the checkout directory on your ``$PYTHONPATH`` or use
 ``python setup.py develop`` to install a ``.pth`` into your ``site-packages``
-directory, so that when you pull updates via Mercurial they will be
+directory, so that when you pull updates via Git, they will be
 automatically reflected the "installed" version. For more information about
 installation and configuration, see :ref:`installing Theano <install>`.
 

doc/links.txt

@@ -11,7 +11,7 @@ This page lists links to various resources.
 Theano requirements
 -------------------
 
-- mercurial_: A distributed revision control system (RCS).
+- git_: A distributed revision control system (RCS).
 - nosetests_: A system for unit tests.
 - numpy_: A library for efficient numerical computing.
 - python_: The programming language Theano is for.
@@ -37,7 +37,7 @@ This is a sort of memo for developers and would-be developers.
 
 
 
-.. _mercurial: http://www.selenic.com/mercurial/wiki/
+.. _git: http://git-scm.com/
 .. _nosetests: http://somethingaboutorange.com/mrl/projects/nose/
 .. _numpy: http://numpy.scipy.org/
 .. _python: http://www.python.org