Merge pull request #578 from MITx/feature/cale/django-under-wsgi

Add a wsgi file for the lms that loads the modulestores immediately afte...

lms/wsgi.py

+import os
+
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "lms.envs.aws")
+
+# This application object is used by the development server
+# as well as any WSGI server configured to use this file.
+from django.core.wsgi import get_wsgi_application
+application = get_wsgi_application()
+
+from django.conf import settings
+from xmodule.modulestore.django import modulestore
+
+for store_name in settings.MODULESTORE:
+    modulestore(store_name)