Merge pull request #23092 from sangpire/Bug1052243

Bug 1052243 - jshangul.js need unit tests, r=timdream
Merge pull request #23060 from dominickuo/bug-1040712

Bug 1040712 - [System] use same silent style icon for status bar and sound manager, r=timdream
Merge pull request #20905 from pivanov/bug-1026698

Bug 1026698 - (2.0-visual-refresh)[Ringtones] Add & Set New System Notifications r=squib
Merge pull request #22100 from snowmantw/issue1043103

Bug 1043103 - [Lockscreen] Implement actionable LockScreen notifications
Bug 1056044 - Make MockL10n.readyState as "complete" by default. r=gandalf
Bug 1054135 - [B2G][System] support 24 hour time format for Time picker

- remove date_picker since its not used
- fix no existing timepicker case
Bug 1033964 - [NFC] Could not share the file which opened via notification
Bug 1026698 - fix unit test of build system r=testonly
Merge pull request #23131 from yurenju/ringtones

Bug 1026698 - fix unit test of build system r=testonly
Bug 1029385 - Rewrite app-makefile rule in javascript r=ochameau
Merge pull request #23029 from yurenju/app-makefile-3

Bug 1029385 - Rewrite app-makefile rule in javascript r=ochameau
Merge pull request #23035 from EverythingMe/1055498-refactor-create

Bug 1055498 - [Collection] [Refactor] Clean up create_collection.js
Bug 1049371 - verbose apps permissions, r=arthurcc
Bug 1055324 - [B2G][OTA][1.3 -> 2.0] E.Me apps on the homescreen do not keep their icon placement when updating from 1.3 -> 2.0
Bug 800402 - [email] UI: Show the number of unread messages in the message-list header after the folder name. back-end fix-up. r=asuth

propagating the GELAM fix:
https://github.com/mozilla-b2g/gaia-email-libs-and-more/pull/330
Merge pull request #23132 from asutherland/email-unread-msgs-fix

Bug 800402 - [email] UI: Show the number of unread messages in the message-list header after the folder name. back-end fix-up. r=asuth
Bug 1053711 - call nsIFile.remove() only if it exists in build/media-resolution.js r=gduan
Bug 1056536 - Build error when create xulrunner directory r=gduan
Merge pull request #23065 from gasolin/issue-1054135-2

Bug 1054135 - [B2G][System] support 24 hour time format for Time picker, r= alive
Merge pull request #23080 from viorelaioia/bug_1055055

Bug 1055055 - Remove hack in cell_data_prompt.py page object.