An overhaul of the AAI Laser Tank, for private use.
Each ammo type now has its own turret on the manual tank and its own tank with AI enabled.
Adjusted the damage, range, clip size and fire-rate of each ammo type/turret.
Slightly improved the resistances of the tank.

Changes:
- Introduced a new laser cannon vehicle turret "laser-tank-cannon-focus".
- Introduced a new ammo category "laser-cannon-focus".

- Changed laser tank cannon cooldown from 40 to 10.
- Changed laser piercing ammo magazine size from 6 to 12.
- Changed laser piercing ammo laser width from 0.75 to 1.

- Changed laser focused ammo type from laser-cannon to laser-cannon-focus.
- Changed laser focused ammo damage from 200 to 420.
- Changed laser focused ammo magazine size from 8 to 6.

- Added the new laser cannon vehicle turret to the laser tank.
- Changed the laser tank resistance of fire from 50 to 60.
- Changed the laser tank resistance of physical from 35 to 45.
- Changed the laser tank resistance of impact from 50 to 45.
- Changed the laser tank resistance of explosion from 35 to 45.
- Changed the laser tank resistance of acid from 50 to 60.