Merge pull request #16976 from gasolin/issue-980775

Bug 980775 - [Resource] rename incorrect 1.5.png to 1.5x.png, r=pivanov
Bug 975918 - Support DSDS for voice mail
Bug 975486 - [B2G][l12y][Settings]Serbian-Cyrillic: Keyboard title is
truncated in 'Selected Keyboards' list.
 - Shorten the string of Serbian Cyrillic.
Bug 947153 - Make travis install script clean up the b2g/ and profile/ directories to aid local running
Merge pull request #16952 from viorelaioia/bug_979789

Bug 979789 - Check and enable some more tests on TBPL
Workaround a |position: fixed; top: 2rem| issue with will-change. r=etienne
Bug 942724 - Support multiple notifications for recording device status

- refactor: using createItem function to return data dict
- abstract renderPanels
- fix and support recording status
- add test cases
- refactor use updateRecordingStatus
- update statusbar status via custom event
Merge pull request #16808 from gasolin/issue-942724

Bug 942724 - Support multiple notifications for recording device status, r=alive
Merge pull request #16933 from 6a68/bug-980184-jshint-fxa-system-app

Bug 980184 - Fix jshint errors in FxA system app code
Merge pull request #16831 from sergi/921971-fdn

Bug 921971 - [DSDS][FDN] Manage FDN list for both SIMs
Merge pull request #16988 from vingtetun/bug977757

Workaround a |position: fixed; top: 2rem| issue with will-change. r=etie...
Merge pull request #16954 from zacc/bug_980281

Bug 980281 - Remove some redundant import_script calls from gaiatest
Revert "Merge pull request #16831 from sergi/921971-fdn"

This reverts commit cdcc68168c8aaef12a8b4e9137fec83128e6afb9, reversing
changes made to 183c2e102105aa5bc804f7c9c36a840fe2266c52.
Bug 971564 - [System2] TelephonySettings updates r=alive
Merge pull request #16928 from KevinGrandon/bug_971564_system_telephony_settings_v2

Bug 971564 - [System2] TelephonySettings updates r=alive
[ci skip] do not run travis for calendar visual refresh branch
Merge pull request #16768 from anefzaoui/RtlDeveloperHUD

Bug 978581 - (gaia-rtl) Developer HUD icons misplaced, r=kaze
Bug 932356 - [B2G][Time Picker] Reel order should be localizable
Merge pull request #16905 from Rik/sim-notification-wording-979453

Bug 979453 -  Change DualSIM notification from "SIM 1 -" to "(SIM 1)" r=etienne
Bug 981275 - Use will-change on the cards view to make it smoother. r=etienne