Add toggle for RenderAnimateTrees in Advanced > Rendering
update floater_tools.xml and other minor fixes
Fix a render issue with Hightlight Transparent

The smoke texture is currently not applied to transparent objects.
This commit tweaks the red alpha overlay as a workaround for that.
Merge branch 'master' of github.com:singularity-viewer/SingularityViewer
Merge branch 'master' of github.com:DamianZhaoying/SingularityViewer
Merge branch 'master' of github.com:singularity-viewer/SingularityViewer
Breaking pad: link SLPlugin.app with the exacption handler

Fixes loading of SLPlugin on OS X
Merge branch 'master' of https://github.com/slabua/SingularityViewer
Merge branch 'master', remote-tracking branch 'origin'