Send all environment data in the same packet and only send it about once a
second.
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
Merge branch 'master' of https://github.com/worklist/hifi
Merge pull request #393 from ey6es/master

Put all environment data in the same packet and only send it off about once a second.
Merge branch 'master' of https://github.com/worklist/hifi
Restore the original floor behavior.
Avoid colliding with gravityless environments.
Merge pull request #404 from ey6es/master

Restore the original floor behavior so we don't sink into the ground.
Merge branch 'master' of https://github.com/worklist/hifi
Move head back to center when moving