pdf export
add checker shader
add sag resource
+ fix app clash caused by
	multiple cocoa GL_VIEW windowing
	NSColorWell CMYK pannel

+ add 2 type of projector wall mapping function
	1) theo's laser tag based adjustment
	2) ofEasyCam based 3d adjustment
		* does not work GUI control
		* does not work correctly after window resizing

+ add pdf capture fund and Gui

+ fix strange shader behavior ( caused by texture's MIN, MAG_FILTER settings)
+ add PARADISO
oh yah