Replaced mentions of Subversion by Git in docs

docs/internals/contributing/localizing.txt

@@ -55,7 +55,7 @@ The format files aren't managed by the use of Transifex. To change them, you
 must :doc:`create a patch<writing-code/submitting-patches>` against the
 Django source tree, as for any code change:
 
-* Create a diff against the current Subversion trunk.
+* Create a diff against the current Git master branch.
 
 * Open a ticket in Django's ticket system, set its ``Component`` field to
   ``Translations``, and attach the patch to it.

docs/misc/distributions.txt

@@ -11,7 +11,7 @@ requires.
 Typically, these packages are based on the latest stable release of Django, so
 if you want to use the development version of Django you'll need to follow the
 instructions for :ref:`installing the development version
-<installing-development-version>` from our Subversion repository.
+<installing-development-version>` from our Git repository.
 
 If you're using Linux or a Unix installation, such as OpenSolaris,
 check with your distributor to see if they already package Django. If