Merge branch 'master' of https://github.com/kebekus/srt
Merge branch 'master' of https://github.com/kebekus/srt
Merge branch 'master' of https://github.com/xdsopl/srt
Merge branch 'master' of https://github.com/kebekus/srt
Fade in/out for coordinate axis while mouse manipulation
renamed namespace parser to srt to make room for parser class
Add coordinate axes as openGL overlay in the SceneWidget
Merge branch 'master' of https://github.com/xdsopl/srt
Fix 3d shading of arrow tips
openGL finetuning