Adding exception if trying to go away without away message
Adding dialog for going away
Adding dialog for coming back from away
Tweaking string keys
Activating away and back functionality
Making sure away messages are trimmed
Making sure to show the trimmed message when others go away
Making sure to clean up better in case of test failures. Sometimes it doesn't find the reject button in test 2, and then all other tests fail because there are too many users connected.