Merge pull request #23 from bsuh/master

Remove defunct code and add a unit test for overlapping robots
added saving robot state and a unit test for it
reverted to old version; rgkit is not really meant to be an installable package
fixed game.py
Add HP overlay to bots in render
Merge pull request #31 from sionide21/master

Add HP overlay to bots in render
add style checker test