moved forced recache from 3 hours to 12.

NOTE: before everyone starts bitching. If you view your profile after 3 hours have passed, we currently go to 343 and ask for new data
and bring it back to you. This requires 4-6 API requests (depending on whats cached). The problem with this is some people are just
checking up on their stats without needing a recache, but one is performed anyway. You are allowed to recache every 5 minutes so this
doesn't affect much except the auto forced recache. Our spider automatically hits all the gamertags anyway, so originally this
feature would just help refresh data if a user visited an old profile.

Problem was, 3 hours was too new and profiles would get 10+ recaches overnight when they weren't playing. This change slows that down
without causing any changes that would annoy anyone.