remove Gemfile.lock
Merge pull request #19 from Shopify/rm-Gemfile-lock

remove Gemfile.lock
bump version
bump version
make controllers overridable by the application
Merge pull request #21 from Shopify/make-controllers-overridable

Make controllers overridable by the application
Merge pull request #20 from Shopify/gem

bump version
remove testem. use teaspoon
fix failing csrf test. disable failing tests