Added Sara's GUI code.
Fixed errors, runs with a single camera.
Integrated GUI_2 into main code.
Controller and display working.
Made GUI_2 a class.
Optimize int matching by replacing "<x+1 && >x-1" with "==x"
Merge branch 'gui2' into gui

Conflicts:
	processing/control_station/control_station.pde
	processing/control_station/data/Black.gif
	processing/control_station/data/LilyUPCBoldItalic-48.vlw
	processing/control_station/data/Rectangle_Blue1.png
	processing/control_station/data/Rectangle_Blue2.png
	processing/control_station/data/Rectangle_Blue3.png
	processing/control_station/data/Rectangle_Red1.png
	processing/control_station/data/Rectangle_Red2.png
	processing/control_station/data/Rectangle_Red3.png
	processing/control_station/data/arrow.gif
	processing/control_station/data/arrow_black.gif
	processing/control_station/data/arrowdown_button.gif
	processing/control_station/data/arrowleft_button.gif
	processing/control_station/data/arrowright_button.gif
	processing/control_station/data/arrowup_button.gif
	processing/control_station/data/cam2.jpg
	processing/control_station/data/cam3.jpg
	processing/control_station/data/direction.gif