Fix for recent Adafruit_GFX change and PROGMEM kludges
readPixel() working, more robust readID()
made work on XMEGA, requires the "ADAX Core"
added reset back in

did not affect my testing
updated usage example after fixing core
put setup back in constructor, after fixing core
Merge branch 'Due'

Conflicts:
	Adafruit_TFTLCD.cpp
	Adafruit_TFTLCD.h
	pin_magic.h
merge follies
Restored

Restored files mistakenly deleted
fix baddie in due merge, compilable

doesn't work on microtouchx though
tested and working with microtouchx
Merge remote-tracking branch 'upstream/xmega_support_test'