This fixes line and file information printing using glError()
Merge pull request #88 from cgcostume/glerror_fix

This fixes line and file information printing using glError()
getter for up, eye, center in camera class, #91
set uniform for cameraposition in camera class, #91
Merge pull request #92 from cgcostume/SaveCameraPosition

getter for up, eye, center in camera class, #91
Merge remote-tracking branch 'origin/master' into painter_concept_ui_integration_79