Add check to see if our app is foreground
Add some comments about notifications
Update People list with custom PersonArrayAdapter

Show profile picture and name
Merge branch 'refs/heads/develop' into paul-events
Insert todo comment about image loading in people list
Merge branch 'refs/heads/develop' into paul-events
Merge branch 'refs/heads/develop' into paul-notifications
Enhance notifications for when app running and when user taps system notification.

Also create organizer button on detail screen that sends reminder notification to one specific user for testing
Put correct message in in-app popup notification message.

Fix layout of popup a little bit
Remove malfunctioning image view on people list for now
Merge branch 'refs/heads/paul-events' into develop