* When we get a network connect broadcast, clear error states so sync can
restart for any boxes in an error state
* Add temporary notification code for the testers
* Add file-based debug logger
* Add Exchange logging to debug screen (adds additional exchange debugging)
* Add Exchange sd card logging to debug screen (logs to sd card)
* Change setLogging service API to send an int rather than a boolean
* Make sure push mailboxes are set up again when account changes to push
* Make sure push mailboxes are set up again when account mailbox starts
* (Fixed contacts sync bug found during debugging these changes)
