Land marketplace-dev cache files.
Copy cache folder of external apps.
Address review comments.
Bug 804539 - [cards view] holding the home button while opened adds all running apps again
Bug 801306 - Transition the loaded app frame itself for opening/closing instead of taking screenshots
Workaround Bug 792351, prevent a white strip to show on top of the transitioning frame
Bug 796741 - Loading Bars & Spinners Need Polish & Updates
Bug 804963 - [Homescreen] Sometimes the pulsating effect disappear in the dock in edit mode
Bug 805504 - Setting Image Uploader as certified

SystemXHR permission is now limited only to certified apps. Since we
rely on xmlHttpRequest to perform upload, we have to add this in the
manifest.webapp.
Bug 805758 - correctly specify callback functions to mozSettings.addObserver()
 for keyboard layouts.
[Dialer][USSD] Properly wrapping of very long words.
Bug 800625 - [unagi][video] video does not show preview
Bug 805685 - [camera] video recording does not work since bug 795379
Bug 804783 -  Hide 'MMS Settings' menu item
Bug 803141 - Avoid system-message related app duplication.
r=vingtetun
Merge pull request #6012 from asutherland/gallery-share-filenames

Bug 805532 - [gallery] share activity does not expose the filename of the shared file, r=djf, a=blocking-basecamp for Bug 799827
Merge pull request #6029 from etiennesegonzac/bug-803141

Bug 803141 - Avoid system-message related app duplication.
Bug 805870 -- unit tests for latin input method
Merge pull request #6031 from davidflanagan/keyboardtests

Bug 805870 - unit tests for latin input method capitalization and punctuation
Bug 804448 - remove overscroll effect