spelling: use correct Git capitalisation where appropriate

docs/usage/git_support.rst

@@ -1,7 +1,7 b''
 .. _git_support:
 
 ===========
-GIT support
+Git support
 ===========
 
 

kallithea/lib/diffs.py

@@ -453,8 +453,8 b' class DiffProcessor(object):'
                         LimitedDiffContainer(self.diff_limit,
                                             self.cur_diff_size, _diff)
                     break
-            else:  # GIT binary patch (or empty diff)
-                # GIT Binary patch
+            else:  # Git binary patch (or empty diff)
+                # Git binary patch
                 if head['bin_patch']:
                     stats['ops'][BIN_FILENODE] = 'binary diff not shown'
                 chunks = []

setup.py

@@ -98,7 +98,7 b' data_files = []'
 package_data = {'kallithea': ['i18n/*/LC_MESSAGES/*.mo', ], }
 
 description = ('Kallithea is a fast and powerful management tool '
-               'for Mercurial and GIT with a built in push/pull server, '
+               'for Mercurial and Git with a built in push/pull server, '
                'full text search and code-review.')
 
 keywords = ' '.join([