Verify controller argument
Add "locking" option to pushbutton
Move button effects out of core and in to example
Automatically use proximity plugin if necessary
Add banner to top of build file
Clean up old hand data intractable plane
Add in hover events, yay

only works for items which can move in Z.
Draft springs api

this was made as an experiment, but may not actually be necessary for
anything
Add hover example, build
Check mcp through tip joints in hand for z collisions
Add box border example
Use latest plugins (for antialias)
Add damping as configuration option
Update longThrow and shortThrow to be as config options
Tidy button example
Add analytic z position for returnSpring
Rename examples
Move hoverBounds to option
Tidy up examples