Bug 1074040 - [Stingray] fork system, remove useless modules and add support of landing app
Bug 1017294 - Add fastforward/rewind to music widget
Merge pull request #25247 from huchengtw-moz/bug-1074040-fork-add-landing-app

Bug 1074040 fork add landing app, r=alive, evelyn
changes from the latest pull request - missing tests and removal of permissions
Merge pull request #24934 from shamenchens/Bug1017294-MusicWidgetFastforward-2

Bug 1017294 - Add fastforward/rewind to music widget, r=dkuo
fully refactored PP but still in dev_apps
patches to fix most bugs and move to apps
changes to address all requests
[Privacy Panel] push request
 Changes proposed by Tim
fix small typo
second part of changes
continuing the changes