If anyone is curious how well WarLight's AI would fare in this competition, the answer is... really badly.
But I uploaded it anyway, just for fun, with just one modification. You can see it play here:
http://theaigames.com/competitions/warlight-ai-challenge/game-log/crappybot/The only modification I made was to make it prefer smaller bonuses. This helped, but its preference to expand over fight still causes it to lose a lot. It ends up wasting armies on neutrals when it should be defending/attacking the opponent.
This AI wasn't written to be competitive in a 1v1, so I knew it would perform badly. Thus, it's named crappybot. I may change it again in the future, so this post is only accurate as of v11.