updates gemfile
change config files
uses strong parameters
run migrations and some more rails 4 fixes
updates gems
spec fixes and readme update
Update README.md
Set config.i18n.enforce_available_locales = false

We don't care about locales.
http://stackoverflow.com/questions/20361428/rails-i18n-validation-deprecation-warning
Merge pull request #27 from G5/upgrade-rails

Upgrade rails and ruby