Issue #1317 - install packages in virtualenv

Author: zoepage

package.json

@@ -45,7 +45,7 @@
     "build": "grunt",
     "module": "git submodule init && git submodule update",
     "start": "source env/bin/activate && python run.py",
-    "virtualenv" : "pip install virtualenv && virtualenv env &&  source env/bin/activate",
+    "virtualenv" : "pip install virtualenv && virtualenv env &&  npm run pip && source env/bin/activate",
     "pip": "pip install -r config/requirements.txt",
     "config": "cp config/secrets.py.example config/secrets.py",
     "project-update": "pip install --upgrade pip && npm run backend-install && npm update"