Update .gitignore to ignore the mayan/media directory.

.gitignore

@@ -3,26 +3,27 @@
 *.pyo
 *.sqlite
 *.sqlite3
-settings_local.py
-/celerybeat-schedule
-document_storage/
-/misc/mayan.geany
-mayan/media/document_cache/
-build/
-_build/
-gpg_home/
-/mayan/media/static/
-/whoosh_index/
-/fabfile_install
-/venv/
-.coverage
-/dist/
-.idea/
-static_collected/
 *egg-info*
-mayan/settings/local.py
-.vagrant
-.tox/
-coverage.xml
+.coverage
 .coverage.tox*
+.idea/
+.tox/
+.vagrant
+_build/
+build/
+coverage.xml
+document_storage/
+gpg_home/
 htmlcov/
+mayan/media/
+mayan/media/document_cache/
+mayan/settings/local.py
+settings_local.py
+static_collected/
+/celerybeat-schedule
+/fabfile_install
+/dist/
+/misc/mayan.geany
+/mayan/media/static/
+/venv/
+/whoosh_index/