Bug 829397 - Need a way to clear all storage for everything.me apps and bookmarks added to the homescreen r=benfrancis+kaze a=tef+ a=tracking-b2g18+
Merge pull request #7597 from ochameau/bookmarks-cleanup

Bug 829397 - Need a way to clear all storage for everything.me apps and bookmarks added to the homescreen r=benfrancis+kaze a=tef+ a=tracking-b2g18+