replaced takeFirst() with dequeue() for consistency
Fix IK for hydra hands.
recover some code for one less magic vec3
Merge pull request #3005 from AndrewMeadows/bug-fix

Fix IK for hydra hands.
Added dev menu option to disable nack packets
nackdisable to disablenack
var name change again
Merge pull request #3007 from wangyix/master

Added Developer menu option to disable nack packets.