Convert Classification visible query into a union all
Fix BindParam substitution on MRI
Merge pull request #153 from edpaget/union-all

Convert Classification visible query into a union all
Add /links routes
Add Middleware to reject PATCH requests
Modify User Controller and Spec to only handle puts
Convert Controllers to handle strong parameters strictly

Reject requests if they use parameters not whitelisted with a 422.
Add update methods module
Create Destructable mixin and specs
Fix OAuth Controller specs
Add deactivatable module and specs
Rename Concerns