Fixed the appname.
Some fixes reported by students.
fixed androidmanifest.xml header.
Typo.
fixed threadpooldownloadservice.
Made the Service run in its own process.
Refactoring.
More tweaks.
Fixed ThreadPoolDownloadService.
Fixed a race condition.
Added grading drivers.
finished assignment 0
completed assignment 1
finished assignment 2
added SimpleSemaphore from previous assignment
completed assignment 3
completed assignment 4
assignment 5: almost there, just 4/20 tests failing
fixed startService tests
fixed button handler tests, all done