Merge changes Id7ee1bd3,I5ea44a94 into sc-dev

* changes:
  [NS08] Expose public NetworkScore API
  [NS07] Add the rest of the scoring policy
tree: 9c7bfd5e232ef6c685da3cb0f17c505ec289e5c5
  1. framework/
  2. service/
  3. services/
  4. tests/
  5. OWNERS
  6. TEST_MAPPING