fixed HybridCortexRebels quest text (Bomphav)
closed some loopholes in trading (spacehog)
fixed a couple issues that were preventing the races from scrapping ships they no longer need or want (Cheet4h)
doubled desired war relation drop (races know they need to eliminate the competition)
changed win condition to ally with sole remaining race
added another lose condition - only one race and not allies
updated help text and manual for new win/lose condition
changed engine to drive in many places to be more consistent (Steve)
