flipped y axis in renderer

Signed-off-by: Matthias Rohrbach <m.rohrbach@robandrose.ch>
getEuler().z now returns actual Z axis, finally

Signed-off-by: Matthias Rohrbach <m.rohrbach@robandrose.ch>
some stuff

Signed-off-by: Matthias Rohrbach <m.rohrbach@robandrose.ch>
added mttarget to allow other target to be manipulated then this

Signed-off-by: Matthias Rohrbach <m.rohrbach@robandrose.ch>
inverted screenY

Signed-off-by: Matthias Rohrbach <m.rohrbach@robandrose.ch>
comments

Signed-off-by: Matthias Rohrbach <m.rohrbach@robandrose.ch>
added example app

Signed-off-by: Matthias Rohrbach <m.rohrbach@robandrose.ch>
again some functions

Signed-off-by: Matthias Rohrbach <m.rohrbach@robandrose.ch>
some corrections

Signed-off-by: Matthias Rohrbach <m.rohrbach@robandrose.ch>
Merge branch '0.8.3' of https://bitbucket.org/robandrose/ofxrrscenegraph into 0.8.3

Signed-off-by: Matthias Rohrbach <m.rohrbach@robandrose.ch>

Conflicts:
	src/views/shapes/BasicShape.h
	src/views/shapes/ShapeRect.cpp
simplified example
Moved around some stuff
made possible to have camera translated etc and picking still works
updated example
new example
xcode
removed something
changed to high-resolution capable example
Merge branch 'refs/heads/goopen' into 0.8.3

Conflicts:
	example/RRScenegraph_example.xcodeproj/project.pbxproj
	example/bin/data/config/settings.xml
	example/bin/data/content/xml.xml
	example/openFrameworks-Info.plist
xcode noise