add django performance metering

lms/envs/cms/dev.py

@@ -33,3 +33,13 @@ CONTENTSTORE = {
         'db': 'xcontent',
     }
 }
+
+INSTALLED_APPS += (
+    # Mongo perf stats
+    'debug_toolbar_mongo',
+    )
+
+
+DEBUG_TOOLBAR_PANELS += (
+   'debug_toolbar_mongo.panel.MongoDebugPanel',
+   )

requirements.txt

@@ -50,3 +50,5 @@ pygraphviz
 -r repo-requirements.txt
 pil
 nltk
+django-debug-toolbar-mongo
+