require rails4
workaround for expiring fragment cache
updated validation
updated validation
require protected_attributes and rails-observers
updated gemspec
updated gemspec
updated Gemfile
updated gemspec
removed rails-observers
updated gemspec
updated gemspec
updated gemspec
updated gemspec
updated Gemfile
updated dummy file
updated gemspec
updated gemspec
Merge branch 'rails4' of github.com:next-l/enju_core into rails4
updated gemspec