Add some fullscreen video controls to touchscreen.xml

Mirrors directional controls of a remote to give some added functionality in fullscreen video:

Swipe left -> StepBack
Swipe right -> StepForward
Swipe up -> ChapterOrBigStepForward
Swipe down -> ChapterOrBigStepBack
Two-finger swipe left -> SmallStepBack
Update keyboard.xml with ChapterOrBigStepForward/Back

Per https://github.com/xbmc/xbmc/pull/3280

This allows the behavior from v12 to be consistent with v13
Update remote.xml with ChapterOrBigStepForward/Back

Per https://github.com/xbmc/xbmc/pull/3280

This allows the behavior from v12 to be consistent with v13
Add MoveItemUp/Down to Favorites window

Consistent with how the playlist editor windows use MoveItemUp/Down. Requested by a user, and indeed a heck of a lot easier to organize rather than constantly bringing up the context menu.