Started adding configurations setting descriptions

apps/common/conf/settings.py

@@ -1,3 +1,8 @@
 from django.conf import settings
+from django.utils.translation import ugettext_lazy as _
 
 TEMPORARY_DIRECTORY = getattr(settings, 'COMMON_TEMPORARY_DIRECTORY', u'/tmp')
+
+setting_description = {
+    'COMMON_TEMPORARY_DIRECTORY': _(u'Temporary directory used site wide to store thumbnails, previews and temporary files.  If none is specified, one will be created using tempfile.mkdtemp()')
+}