Merge changes I975a9439,Idec1fe8e into sc-dev

* changes:
  [NS04.5] Have NetworkOffer embark a provider ID
  [NS04] Introduce Network Offers and their callbacks
tree: d47f89808deaa4066adf24a0cb6948b1333a46ff
  1. framework/
  2. service/
  3. OWNERS
  4. TEST_MAPPING