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Life cycle logging
Notifications added
a bit of refactoring applied to existing code
and some bugs where added (file downloading resets on screen rotation)
fixed bug where downloading restarts on screen rotation
a bit of refactoring
Cleanup
Cleanup
added catch of IllegalStateException to isPlaying method
added ability to open previously minimized activity from notification instead of creating new activity in new thread
Merge branch 'Task4_notification_menu'

Conflicts:
	Task3/src/com/example/task3/HomeActivity.java