Bug 1000459 - revert bug 993581 to turn directory tiles on [r=adw]
Undo hardcoding of empty object.
Bug 990713 - Update directoryLinks to have actual links and images [r=adw]
Update more ordering, types, urls, crushed images.
Bug 1007830 - Update to the tiles trial message text [r=adw]
Remove the confusing "Trial Sponsor" from the message.