After navigating back from a menu, game submission does not work

[jwir3]

Steps to Reproduce:

1. Launch Arbitrator.
2. Navigate to Locations using the navigation drawer.
3. Navigate back to the main screen using the back button.
4. Select a calendar.
5. Enter the following in the text box:

   321         District 8  Referee     12/6/2016 Tue
   7:30 PM     Hockey, Bantam A / AA   Lakeville Ames 2    Lkvl S Bntm AA  SSP Bantam AA   $50.00
   Accepted on 12/5/2016

6. Press 'Submit'

Expected Results:

• :white_check_mark: Arbitrator should report 'Game(s) added to calendar', and the event should be added to the selected calendar.

Actual Results:

• :x: No message is shown, and game is not added to the calendar.