moving assets into public so that it doesn't need to be compiled in client apps
only authenticate if not authenticated bfor
Revert "moving assets into public so that it doesn't need to be compiled in client apps"

This reverts commit 0a84e6ce210262a7e6884a3b89de139ef4ed2cee.
make rails4 compatible
rails4 syntax
Merge pull request #2 from ilyakatz/rails4

Rails4 compatibility
support multiple rails versions for specs in Gemfile
more permissive rails dependency in gemspec
make dummy rails app rails 4 friendly

make dummy rails app rails 4 friendly

add action_mailer dependency
add support for multiple rails versions to travis.yml
remove check for current_opensesame_user

keep intent of authenticate_opensesame!