Start polling for messages while the message center is open. Notify the Message Center when the parent activity is stopping, so this thread can be stopped.
Get the Message Center to use much less memory when displaying images in FileMessages. This is accomplished by saving a local copy of the file in a smaller format, and rendering any displayed bitmaps at a size that is closer to their display size.
Fix a bug where a cursor was left open at the start of a new query.
Stop logging exceptions where the device simply doesn't have network connectivity.
Stop logging timestamp conversion stuff.
Add a todo for checking network connection.