Added image for steel drum.
Added another switch region. Can now switch sound library either forward or backward.
Switch region shows an image of the library being switched to.
Removed redundant code.
Centered the library switch regions.
Each sound library can now have a specified picture.
Rearranged drumset2 and added guitar loop.
Added new sound loops. Rearranged toggle loops to be on same region.
Merge branch 'master' of https://github.com/samfb/KD.git