Merge pull request #3 from SWiT/master

merge example_bot code.
overlay on color image. turn amount based on distance. stop function. new output statuses.
patrolling poorly, but it does work.
better patrolling, but slower.
better patrolling, still not great
renamed example_bot example_bot_patrol, started example_bot_attack
attack bot!
attack bot bugfix
attack bot bugfix
Merge branch 'example_bot_patrol' of git@github.com:SWiT/RobotKnifeFight.git into example_bot_patrol
starting runaway bot
runaway bot
patrol_bot does a better job of staying alive than runaway_bot