[ONOS-5003][ONOS-5004][ONOS-5005]Generated Code modification for YangUtils+added interface for augmentation method and other api changes.

Change-Id: I954b9c99e182f21d01fcc5cd76fbac7d61a6c3aa
82 files changed
tree: 80f569093ce1ebf7c0497b32977ae941f3792bac
  1. datamodel/
  2. plugin/
  3. pom.xml