More convars

Some more adjustments and fixes.

Better behaviour, some adjustments and fixes.

- Added Combine VTOL
- Added Helicopters (soon to be improved)
- Fixed Conscript APC
- Changed Combine APC model
- Changed all vehicle behaviour (speed)
- Changed category

- Added Conscript APC
- Added Turnsignals to Prewar Golf
- Added High lights for Combine APC
- Added Combine APC (Armed)
- Replaced Fog lights with High lights on all vehicles
- Removed weapons from normal Combine APC

- Added Passenger Seat to Jalopy
- Replaced Wheels with the new updated rigged wheels.
- Fixed Golf's Exhaust

- Fixed Combine Transporter Exit Points

- Added Prewar Golf