created basic controller and view for debates. fixed some bugs in migrations. added routes to routes.rb.
Merge pull request #4 from cblokker/master

created basic controller and view for debates. fixed some bugs in migrat...
add show page; add temporary heading
add comment creation; display debate comments
deleted faulty comment_controller
created two left floated divs for comment agree and disagree comment fields.  Had to change the migration a bit. got rid of the question mark in agree because of strange unicode issues when passing it through a hidden input.
Merge pull request #5 from cblokker/master

merging into master fork
Fixed merge conflicts