Removed dangling references when picking
Merge branch 'master' into leak
Merge branch 'master' into leak
Merge branch 'master' into leak
Merge branch 'master' into leak
Merged master to leak
Merge branch 'master' into leak
Merge remote-tracking branch 'origin/master' into leak
Merge branch 'master' into leak
Merge branch 'master' into leak
Picking JavaScript improvements
Merge master to leak
Merge remote-tracking branch 'origin/master' into leak
Changed pick color render target from a renderbuffer to texture to change the precision from 4 bits to 8 bits per channel.  In practice, I think we were really getting 8 bits per channel anyway with RGB8
Use alpha channel to increase bit range from 24 to 32 bits
Fixed typo
Merge leak to pickFixes