Added an interaction when you press the enter key. Press spacebar to stop it.

JEFF, TAG YOU'RE IT!
Press 'enter' to start mouse interaction. Press 'spacebar' to stop.

KPow, tag you're it!
*Correct Commit* Mouse Interaction
Merge branch 'master' of github.com:jmcclaire/evolving-code into jmcclaire-master

Conflicts:
	code/code.pde