Bug 1054492: move DirectoryLinksProvider.jsm to browser/ since it's Firefox-specific, r=gavin

--HG--
rename : toolkit/modules/DirectoryLinksProvider.jsm => browser/modules/DirectoryLinksProvider.jsm
rename : toolkit/modules/tests/xpcshell/test_DirectoryLinksProvider.js => browser/modules/test/xpcshell/test_DirectoryLinksProvider.js
Bug 1034114 - Defer remote debugger initialization via notification. r=snorp
Bug 1072639 - Fix context for web app notifications. r=snorp
Bug 1000240 - Add a Call Failed view for Loop standalone UI. r=Standard8