Merge pull request #16582 from mcav/perfmark

Bug 837670 - [Clock] "ready to use" perf measurement. r=jugglinmike
Merge pull request #16748 from jankeromnes/target

Bug 978058 - Make Firefox OS' devtools track frames instead of manifests. r=21
Merge pull request #16755 from qdot/978364-fix-ftu-tests

978364 fix ftu tests
Bug 977450 - AppChrome should not be instantiated if no navigation specified in manifest.
Merge pull request #16736 from crdlc/bug-977094

Bug 977094 - [Download Manager] No error is displayed if you try deletin...
Bug 964337 - Implementation a mechanism to edit Homescreen Bookmarks
Bug 978780 - position: fixed create an extra repaints when panning apps. r=crdlc
Merge pull request #15732 from crdlc/bug-938287

Bug 964337 - Implementation a mechanism to edit Homescreen Bookmarks
Bug 972695 - [dsds] support Sim Manager in Settings on dsds phone
Merge pull request #16809 from vingtetun/bug978780

Bug 978780 - position: fixed create an extra repaints when panning apps....
Bug 974730 - [Camera] Camera Library has to listen for the onPreviewStateChange event
Bug 979230 - [Camera] Focus fails on front camera
Merge pull request #16799 from vingtetun/bug978687

Bug 978687 - Pressing the 'home' button when the utility tray is opened,...
Bug 971006 - Remove a sync reflow when showing the utility tray. r=etienne
Merge pull request #16827 from vingtetun/bug971006-landing

Bug 971006 - Remove a sync reflow when showing the utility tray. r=etien...
Merge pull request #16821 from wilsonpage/bug/979230

Bug 979230 - [Camera] Focus fails on front camera
Bug 979330 - In contacts edit if the type of a field changes in the selection box the done button is enabled
Bug 979320 - Bolster wait in wait_for_cards_view to avoid edge gesture hit zones
Bug 943845 - [Gallery] There is a little delay between before rendering the images while panning. r=djf
Revert "Bug 972600 - [B2G][Contacts] After merging duplicate contacts selecting edit contact button brings up 'Add contact' screen"

This reverts commit 8e41704de226a75ce5ce6420b70016f39eb57ea6.

Reverting test due to intermittent test failure.