Support for multiple environments, collisions with notional planet surfaces.
Merge branch 'master' of https://github.com/worklist/hifi
Merge branch 'master' of https://github.com/worklist/hifi
Merge branch 'master' of https://github.com/worklist/hifi
Fix for default environment, better capsule placement.
Merge branch 'master' of https://github.com/worklist/hifi
Added back "floor," "bounce."
Reverted change that would have added glm to shared library.
Since we're not using deltaTime (yet), don't pass it as a parameter (yet).
Merge pull request #382 from ey6es/master

Support for multiple environments, each with their own gravity (and currently, collision spheres).