Bug 777236 - Implement the "fullscreen" app manifest attribute for web apps on desktop. r=myk
Bug 747552 - During webapp install, icon retrieval may return non-image files. r=myk
Bug 747428 - Set additional webapp metadata for use by Windows' uninstall widget. r=tabraldes
Bug 907324 - Fix regression from bug 776446. Menu separator in a popupset creates a weird statusbar. r=myk