Replace accessors with ActiveModel hooks
Move #compact to right spot
Implement #update_resource method
Remove #as_jsonld, moved to Ladder::Resource
Update fake doubles for Identifiable get/setters
Allow #update_resource to take a block
Remove #write_attribute, delegate #property
Move block yield within property loop
Merge pull request #47 from mjsuhonos/feature/identifiable

Feature/identifiable