Update devise sample initializer file to request for publish_actions permission. References Coursemology/coursemology.org#100.
Merge pull request #169 from fonglh/devise-publish-actions

Request publish_actions in devise.rb sample initializer file
fix training grade exceeds max grade
Merge branch 'development' of github.com:Coursemology/coursemology.org into development
Merge branch 'development' of github.com:Coursemology/coursemology.org into Deploy