Merge pull request #17 from nealcpeters/neal

Neal
specifications rock
Merge branch 'master' of https://github.com/nealcpeters/happiness into image_migration
Merge pull request #18 from nealcpeters/image_migration

Image migration
styling
more styling
fighting with getting arrows and images centered
Merge branch 'master' of https://github.com/nealcpeters/happiness into image_migration
Merge pull request #19 from nealcpeters/image_migration

Image migration
Merge branch 'master' into neal
allow nil set to false in model and default value for up and down set to 0 in all migrations
moved stylesheets to layout header, WHERE THEY BELONG ERIC, WHERE THEY BELONG
committing for pull
preparing for heroku deployment