Bug 1048673 - [Ringtones] stop the previews before leaving the app
Bug 1085201 - [Flame][Tako][v2.1][Settings] "Searching device" not hidden as Sony SBH50 BTHS paired via NFC
Bug 1043762 - Volume buttons don't do anything in Settings and previewing new ringtones
Bug 1083053 - [Midori] The screenshot preview window still overlays an app when switching apps
Bug 1091137 - [ringtones] Fix clearing out the tonePlayer's state when hiding the app

Conflicts:
	apps/ringtones/js/tone_player.js