Converted double timestamps to long long (64 bit integers), fixed bug with
updating agent timestamps.
Merge pull request #533 from ey6es/master

Converted double timestamps to 64-bit integers, fixed bug in domain server (was faiing to update timestamps).
Merge pull request #523 from PhilipRosedale/master

Better physics, first person to third person transition
Another fix: using strlen to determine the length of the packet is... unwise.
Remember the length when we create it.  This should fix the voxel server's not
appearing.
Merge pull request #534 from ey6es/master

Fix for voxel server (etc.) not connecting.
Merge branch 'master' of https://github.com/worklist/hifi