Edited the Boom Bot test to reflect the way Predictible Agent plays.

(Ironically, it can be quite hard to predict)
Fixed a bug with an interaction between Doomsayer and Alarm-o-Bot.

Closes #69.

Also, made it so that the rogue hero power weapon had a card attached to it.
Switched integration testing to Travis's new container structure
Simplified the main event loop.

This is the main source of memory usage, and the main bottleneck for
speed, so hopefully we should see a speed increase.

My tests show a speed increase of roughly 20%
Merge pull request #27 from danielyule/master

Merge