fix renamed method role_in_game

app/main/routes.py

@@ -35,7 +35,7 @@ def create_game():
 @login_required
 def game_dashboard(game_name):
     game = Game.query.filter_by(name=game_name).first_or_404()
-    role = current_user.get_role_for_game(game)
+    role = current_user.role_in_game(game)
     if role == Role.owner:
         return render_template('game_owner_dashboard.html', title='Game Dashboard',
         game=game, json=json, objective_encoder=ObjectiveMinimalEncoder, location_encoder=LocationEncoder)