Bug 960329: Rewrite the ringtones app and allow sharing/deleting; r=djf, r=dkuo, r=yurenju, ui-r=tif, ui-r=chuang
Thanks also to Dominic Kuo and Punam Dahiya for patches which have been incorporated into this
Merge pull request #16151 from jimporter/ringtones-merge

Bug 960329 - [User story] Set a ringtone from a song in the music app