Restored pad hover behavior
draw zones using fills instead of strokes
constant spacing between zones
testing NSNotificationCenter
Proper MVC communication using NSNotification and optimized drawing functions
Added NSNotifications for playing sound on zone click
Removed old functions for propagating zone click
added NSNotifications for dragging a sound onto a zone
Added a color dict to pad view and fixed hash function for profile
Restored collection view for sounds
Added color to sounds and pad view, just randomly set right now
Fixed bug where first zone did not draw sometimes
Drag and drop for adding sounds to library
Drag sounds from library to pad view
Merge branch 'GUI'

Conflicts:
	Tabla/AppDelegate.h