AI update - The computer will now build ships! It's not very good at it, but it does build and it only works on expert, but it BUILDS!

Capture - Rewards are working again. I really am terrible at scripting. :)

Multiple balance and AI fixes.

AI fixes for testing.

- Tweaks to Earth AI;
- Tweaks to Missile trail effect;
- General balance updates and fixes for both AI and balance;
- Control Point RU fix;
- Reserach fixes;
- Unit caps and AI weights changed;
- Control Point rewards fixed;
- RU injection rate lowered;

Main menu fix for non-Steam Homeworld2

- Capture Gametype added;
- AI tweaked;

Kinsha's removed from Minbari starting fleet.