Bug 976986 - SettingsListener should have unobserve() method
Bug 963556: Update NFC Manager, Handover to use new shared nfc_utils.js.
Merge pull request #16947 from dwi2/bug976986

Bug 976986 - SettingsListener should have unobserve() method
Merge pull request #16802 from svic/Bug_963556

Bug 963556: Update NFC Manager, Handover to use new shared nfc_utils.js.
Bug 965105 - (lockscreen-widgets) [LockScreen] Implement the architecture of new LockScreen and its helpers
WIP -- turn off the new mode for landing
WIP -- refactor the refactoring patch