added postProcessing-Stuff.
Merge branch 'master' of https://github.com/advancedrendering/project

Conflicts:
	ExtraBees/src/scenegraph/SceneRoot.java -resolved
minor changes.
Merge branch 'master' of https://github.com/advancedrendering/project
minor changes.
Merge branch 'master' of https://github.com/advancedrendering/project
added postprocessing.