Server will now return the user with the _id
user is now also on the front end setting the _id
Merge branch 'userId'

* userId:
  user is now also on the front end setting the _id
  Server will now return the user with the _id
scaffolded the game creation widget and vm
added challenge spec, realize we need ID of the loggedin user
VM is now able to challenge
gameCreation now sends the opponent to the server
reauthentication on refresh