updated some potential field stuff
added adjustable parameters to potential field controller
made bounding box specific to static scenes
removed some things that don't make sense for dynamic scenes
added motion class for use with dynamic scenes
can now load motion from a file
updated dynamic scene to be more interesting
fixed weight bug
added code signing
Merge branch 'RV-App' of https://github.com/eratner/compgeo
added pre-built code signed app
changed to .zip
Merge remote-tracking branch 'eratner/RV-App' into RV-App
added ability to stop planning
merge from master
minor fixes