Bug 1069438 - [Status Bar] Play icon sometimes shows up when camera in use icon is shown
Bug 1081319 - fixing statusbar icons wrapper visibility in full screen app mode. r=mhenretty
Bug 1083729 - Avoid callscreen window leakage r=etienne_s

Because of a platform bug, the callscreen window gets leaked in bfcache,
as documented on bug 1078448 and stated in comment 8. Adding an empty
'unload' event listener allows us to avoid the leakage.
Bug1082555-[Video]-Fix of currentVideo getting reset during suspend resume operation r=russn
Bug 1015853 - Changing theme should update wallpaper image r=arthurcc