add a shell which generates appropriate __d('crud', calls
add a shell which generates appropriate __d('crud', calls

so that an app can control which models CRUD translations are created
for

dakota/crud,FriendsOfCake/crud-json-api,pwerken/cakephp-crud,FriendsOfCake/crud,ankr/crud,simkimsia/crud,johanmeiring/crud,ojengwa/crud,davidyell/crud,Spriz/crud,bcrowe/crud,deizel/crud,bravo-kernel/crud