make crud events and configuration more consistent
Merge branch 'develop' of git://github.com/jippi/cakephp-crud into develop

* 'develop' of git://github.com/jippi/cakephp-crud:
  Fix CS errors. Damn you jippi
  Removed CrudAction::getIdFromRequest(). If args are not passed to CrudComponent::executeAction() it now gets them from request object.
  Update CONTRIBUTING.md
  Create CONTRIBUTING.md