Initial attempt at using Service Worker

- Caches facebook profile pictures and static resources
- Removes django-compressor and commited bower_components
- rest fixes

static/bower.json

@@ -6,7 +6,8 @@
     "jquery": "~1.11.0",
     "underscore": "~1.7.0",
     "highcharts": "~4.0.4",
-    "bootstrap-datepicker": "~1.3.0"
+    "bootstrap-datepicker": "~1.3.0",
+    "sw-toolbox": "~3.0.0"
   },
   "devDependencies": {}
 }