Add cannon.js as a dependency
Add fixme
Add person agent
Give the player an avatar. Add ability to customize avatar colors.
Change trackball controls to use modifiers instead of letters.
Merge branch 'master' into physics
Add in physijs. Basic physics now works.
Add todos
Add support for scaling physical objects.
Add shadow todo
Clean use of physijs somewhat and add FIXMEs.
Add TODO
Remove old TODO
Forgot to add physijs
Make changing mass update physical object. Fixes objects not rotating
correctly.
Fix scaling blocks multiple times multiplying growth
Make physics work for composite agents whose children aren't scaled.
Fix children not being properly removed from parent.
Make fake composite shape invisible
Handle scaled composite object physics