changed gui behaviour for FL voting:
now 'n' and 'b' go to next FL vote, not next candidate
Merge branch 'master' of https://github.com/zhuww/ubc_AI
Merge branch 'master' of https://github.com/zhuww/ubc_AI
fine-tuned displaying of FL votes:
turning things red/black depending on which is the active vote.
adding text indicating the active vote (for keypresses)
respond to mouse clicks