Particle Beam Balancing

Lowered damage. Increased overheat time.
Add QAAM Missile

Quick aim and Manuever missiles.
Wanted an obnoxiously fast/accurate missile, so I made this.

If you want something actually damaging, use a different missile. If you
want the missiles to actually hit, use these.
Merge pull request #6 from ZioMatrix/Qaam-Missile

Added QAAM Missile