Copy the db upgrade command into WSGI script.

In there currently as wsgi has the credstash which we don't won't to apply in non-awe environments. This will need a refactor to better handle code duplication.

wsgi.py

@@ -1,6 +1,9 @@
 from app import create_app
 import os
 from credstash import getAllSecrets
+from flask.ext.script import Manager, Server
+from flask_migrate import Migrate, MigrateCommand
+from app import create_app, db
 
 secrets = getAllSecrets(region="eu-west-1")
 
@@ -10,5 +13,10 @@ for key in application.config.keys():
         if key in secrets:
                 application.config[key] = secrets[key]
 
+
+manager = Manager(application)
+migrate = Migrate(application, db)
+manager.add_command('db', MigrateCommand)
+
 if __name__ == "__main__":
         application.run()