Update cabinets and document_index api views docstrings. Update multi level docstrings as per Python best practices.

Signed-off-by: Michael Price <loneviking72@gmail.com>

mayan/apps/dynamic_search/tests/test_models.py

@@ -30,7 +30,6 @@ class DocumentSearchTestCase(BaseTestCase):
         Test that simple search works after related_name changes to
         document versions and document version pages
         """
-
         queryset, elapsed_time = document_search.search(
             {'q': 'Mayan'}, user=self.admin_user
         )

mayan/apps/dynamic_search/tests/test_views.py

@@ -13,7 +13,6 @@ class Issue46TestCase(GenericViewTestCase):
     """
     Functional tests to make sure issue 46 is fixed
     """
-
     def setUp(self):
         super(Issue46TestCase, self).setUp()
         self.login_admin_user()