Bring back refreshUserData when setting user data

User data needs to be refreshed on sign in, otherwise we don't have
fresh data regarding isSyncing property and other fields which can
change between refreshing page.

assets/scripts/app/auth.coffee

@@ -64,6 +64,7 @@ window.Auth = Ember.Object.extend
     @set('state', 'signed-in')
     Travis.trigger('user:signed_in', data.user)
     @sendToApp('afterSignIn')
+    @refreshUserData(data.user)
 
   refreshUserData: (user) ->
     Travis.ajax.get "/users/#{user.id}", (data) =>