Optimize View Frustum wire format.
- Changed View frstum orientaton to be a quaternion
- Implemented packing formats for Orientation Quats, Ratios, and Clipping values
- Changed wire format for View Frustum details to be more efficient 28 bytes vs 64 bytes
removed extra comment
Optimize wire-format for AvatarData
- moved HandState into semi-nibble in bitItems
- moved KeyState into semi-nibble in bitItems
- moved AudioLoudness into scaled float stored as byte
- overall savings - 5 bytes