Implementing parseCriteria() in the Prg component. Convenience method to just type $this->Prg->parseCriteria() instead of  $this->Model>parseCriteria($this->Prg->parsedParams());
Merge branch 'burzum-develop' into develop
Refs #167 Add test for parseCriteria() convenience method
Refs #167 Update quick start doc with parseCriteria() convenience method