Initial attempt at using Service Worker

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

static/package.json

@@ -23,7 +23,9 @@
     "gulp-uglify": "^1.5.1",
     "gulp-uncss": "^1.0.4",
     "jshint-stylish": "^2.1.0",
-    "main-bower-files": "^2.9.0"
+    "main-bower-files": "^2.9.0",
+    "run-sequence": "^1.1.5",
+    "sw-precache": "^2.2.0"
   },
   "dependencies": {}
 }