am b6e69b8c: Merge "Add Validation logging." into mnc-dev

* commit 'b6e69b8c806c617d97e2366dff3989d01b6bf19e':
  Add Validation logging.
tree: a89f7c33553223d49cae2d7ce4748b81b088fc20
  1. core/
  2. services/
  3. tests/