Added some setters and getters of reprojection data and example illustrating how to draw freely with projected points.
Committing some tweaks.
Merge branch 'luteberget-develop' of https://github.com/luteberget/ofxReprojection into luteberget-develop

Conflicts:
	src/ofxReprojection.h
	src/ofxReprojectionRenderer.cpp
	src/ofxReprojectionRenderer.h
Merge branch 'luteberget-develop' of https://github.com/luteberget/ofxReprojection into luteberget-develop
smalle changes