moved effects in seperate classes #71
more refactorings #71
improved blureffect class #71
better resolution independent shadow and ssao #71
Fixed compilation under unix
forgot to remove temporary code #71
merge
change argument order of ssao to equal blur arguments #71
Merge branch 'shadow_refactoring' of https://github.com/cgcostume/cgsee into shadow_refactoring

Conflicts:
	libs/core/rendering/ssaoeffect.cpp
	libs/core/rendering/ssaoeffect.h
further improved renderingpass architecture
renamed renderingpass list
remove unused imports, turn relative into absolute imports #71
Merge pull request #107 from cgcostume/shadow_refactoring