WIP touch video.

Working:
- touch responds only when video not already playing
- automatically returns to book after video complete

Not Working:
- display frozen video frames when interrupted by page change
added current book.xml to eliminate current out of bounds error
Add error logging to XML import and hardcoded touch events
commenting
one more comment
WIP sensor function with first available interface kit & corrected display on debug UI
touch media pulled from XML instead of hard coded. left touch: H, right touch: J, media to be faded out when touch active: K
Merge commit 'ecb05167645c0b4d8ea2551993ac7fe944a32021' into touchAnimation-dev

Conflicts:
	RFIDBook/src/DeviceController.h
	RFIDBook/src/Page.cpp
fixed the IFkit crash bug
Tom's changes on the prototype machine
minor xcode stuff
ignoring assets
gitignore hell
gitignore again
remove the gitkeep
why wont you ignore the PNGs
somethings amiss with this gitignore
my god, just ignore them
finally ignored?
rrrrgh