fixed examples
Added a few helpful getters to Projector
another example for Projector extras
updated example
added a few getters
Merge branch 'master' of https://github.com/elliotwoods/ofxRay

Conflicts:
	src/ofxRay/Projector.h

and cleanup
fix bug in getWorldPositionOfNormalizedUCoordinate
Merge pull request #4 from memo/master

fixed examples