extracted average to its own helper
new validations
precompiled for heroku
average_test
changed navbar visuals
rating requires user
extended bootstrap integration
@session now holds either blank or the current
add rating to logged user
year validation
took away some back buttons etc
extracted average ratings to own files
added user to ratings and made everything clickable
removed more buttons
made publisher's games into bootstrap list
show publishers name as title
extended seeds.rb
stubbed average_rating.rb, dunno if'll be used