send a pick ray with HFActionEvent, not x,y
use actionRay in lobby script
fix an uninitialized action ray when hitting spacebar
leverage Camera object for scripting, remove sep interface
update camera calls in JS to use new mode methods
expose camera mode as property and leverage in scripts
more js changes for changes to camera interface
replace position and orientation calls in lobby
use a ray from the near clip for action ray
use a new cursor for selection in lobby
Merge pull request #3734 from birarda/lobby

bubble up a PickRay with action event, camera cleanup