Merge pull request #16313 from snowmantw/issue960901-instantiable-lockscreen

Bug 960901 - (lockscreen-instance) [LockScreen] Make LockScreen as an instantiable function
Bug 972160 - Run specific marionette tests for 30 times on Travis.
Merge pull request #16244 from evanxd/bug-972160

Bug 972160 - Run specific marionette tests for multiple times on Travis.
Bug 973490 - [TestAgent] don't run `npm install` if `npm ink` is used r=yurenju
Bug 971565 - [System2] Instantiable Title

- update test
- update bootstrap.js
Bug 926852 - [Messages] Read receipts feature Gaia implementation
Bug 959414 - [B2G][Contacts] Cancelling out of editing or Updating a contact after importing displays broken UI
Bug 972953 - Speed up travis r=gaye,julien
Bug 961950 - Replace message edit button with option menu contains delete / settings option
Bug 964724 - Hide regular Offline Error Screen When Connectivity Resumes - App Foreground and Background
Merge pull request #16210 from EverythingMe/bug-968963

Bug 968963 - [E.me] Collection static apps names are not translated [r=ranbena]
Merge pull request #16287 from EragonJ/bug-971565

Bug 971565 - [System2] Instantiable Title
Merge pull request #16298 from crdlc/bug-959414-master

Bug 959414 - [B2G][Contacts] Cancelling out of editing or Updating a con...
Revert "Merge pull request #16287 from EragonJ/bug-971565"

This reverts commit f5de3036859c58eed929e3d488ef0c594176a5b2, reversing
changes made to 4606c99d4a3f4b95f26e726b2efc5e57089147f3.
Bug 973501 - [LockScreen] Fix undefined "lockScreen" and "LockScreen"
Merge pull request #16353 from snowmantw/issue973501

Bug 973501 - [LockScreen] Fix undefined "lockScreen" and "LockScreen"
Bug 968751 - Write a test to open long-press power button menu
Merge pull request #16223 from mcjimenez/bug923455

Bug 923455 - SV: Predictive text configurable by SIM
Merge pull request #15974 from gitmai/bug-968110-CC-javascript-error-when-notification-open-CC

Bug 968110 -[costcontrol] Javascript error when open a notification when...
r=salva
Merge pull request #16171 from bebef1987/ftu_wifi

Bug 970828 - test_ftu_skip_tour often failing to connect to WiFi