Add support for ExtJs4.2 and ZendFramework 2 InputFilter

Added support for:

* Doctrine Annotation Classes with ZF2 Inputfilter
  Add ZF2 InputFilterAwareInterface methods and optional
  Populate and GetArrayCopy
* Sencha ExtJs4.2
  Add Sencha ExtJs4.2 models with optional
  Validation and pre defined ajax/ json proxy.