a few small updates, some slight performance updates to setkey in three.js
fix for loopback mode parameters not being cloned.
fix slight error in loader where models do not have geometry
Merge branch 'development' of https://github.com/adlnet/Sandbox into development
just some GUI niceness. Need to make sure the various editors will not open if no node is selected
fix long standing annoyance with property tab in scripteditor