Merge changes from topic 'mwd-merge-042415'

* changes:
  Rename removeVideoCallListener to unregisterCallback
  Bluetooth document fix: remove reference from open API to hidden entities
  Fix build due to merge of 75958420 and renaming due to 8eb87f0d
  Merge commit '052a0da4' into merge2
  Merge commit 'db1dbb88' into merge2
  Merge commit '7e5e791d' into merge2
  Merge commit '170102d6' into merge2
  Merge commit '4cb5d80a' into merge2
  Merge commit '83cda005' into merge2
  Merge commit 'c91bc62f' into merge2
  Merge commit 'cffc3605' into merge2
  Merge commit '7f610519' into merge2
  Merge commit '167c3a71' into merge2
  Merge commit '4467b987' into merge2
  Merge commit '25a217c0' into merge2
  Merge commit '04b18ec1' into merge2
  Merge commit '75958420' into merge2
  Merge commit '2bbd2b68' into merge2
  Merge commit '48903511' into merge2
  Merge commit 'cd405fed' into merge2
  Merge commit '6ddbb5e5' into merge2
  Merge commit 'de93575d' into merge2
  Merge commit '9561e741' into merge2