Bug 850430 - Switch uses of mozContact to the new constructor. r=gwagner
Bug 850430 - Fix 'type' properties in fakecontacts.json
Bug 850430 - Fix mock mozContact to conform to the new interface.
Bug 850430 - Create Date objects when creating a mozContact from JSON.
Merge pull request #11916 from reubenmorais/contacts-webidl

Bug 850430 - Fix users of mozContacts in Gaia to work with the WebIDL interface.