integrate new comments into game show page and automagically associate to correct game
Refine commenting features
- Remove comment_time field to use created_at field instead
- Remove rank field and default it to zero
- Reformat display of comments for easier reading
remove comment_time column from comments table in favor of created_at
Further refine commenting features
- Change team field to a select box and restrict choices to only
  the two teams playing in that game.
Merge pull request #1 from vidkun/ryan/testing_comment_link

merged - Ryan/testing comment link