updates

Change-Id: I0d343f6b08b3576f6618929f71205b78b1503ad6
trim api, just folders for now

Change-Id: I6b6978939a1b469e9d433fb0605bf45745017581
another round of changes

Change-Id: I06d929573a80de58bc73f58d3efd212ffbc50dcd
update

Change-Id: I0c6c3a78781be2a2607cd9aade63345f73849190
add method to list only songs in folder

and remove parcelable from model

Change-Id: I0431c7904f4284eb5d77c16fa54fce88d9514703
update for new studio

Change-Id: I2461b3f1ba83827a74815c232f2b806dd65c7a64