0.5.1 Update

Changelog:
- Improved radio positioning (right, left ear).
- Added TS3 dynamic info line, thus allowing to see if the selected
client has the plug-in enabled, and if he does - what version/build.

Resolved issues:
- Relative position compensation for vehicles works properly, provided
that the data received from ArmA2 contains valid vehicle id's.

Known issues:
- Placeholder distortions.