Added Dismiss Game link to Game page

Resolves #1093.

http://jenkins.buttonweavers.com:8080/job/buttonmen-AdmiralJota/364/
Okay.  Thinking about it, maybe all of the dismiss links should be buttons, because they're making an API call that changes things, not sending you somewhere.  If i decide it bugs me, i'll make another ticket to change all of them.  :>)