Merge pull request #14577 from Rik/stop-ringtone-power-button-890434

Bug 890434 - Impossible to silence an incoming call without rejecting it r=etienne
bug 943138 - improve dialer ADSR envelope

Scheduling tones at AudioContext.currentTime resulted in the first part of the
tone being cut off, so start an AudioBufferSourceNode for the envelope.

Add a release phase for long dialer tones.

Revert the release period to 0.05 to match the prior mozWriteAudio
implementation.
Bug 946173 - Update and remove unused and duplicate status bar icon files
Merge pull request #14539 from steveck-chung/message-timestamp-changes

Bug 944881 - Gaia should interpret timestamps as long-long numbers. r=julienw, a=blocking-b2g 1.3+
Bug 949326 - [DSDS][MMS] Switching data call follow-up fixing for default service ID type changes
Bug 917221 - [Dialer] Support merging group call by Bluetooth CHLD=3 command.
Bug 949552 - Fix test_gallery_delete_image
Merge pull request #14624 from timdream/statusbar-animation-icon

Bug 946173 - Update and remove unused and duplicate status bar icon files, r=alive
Bug 943717 - Refine Instantication of AppWindow and ActivityWindow
Merge pull request #14596 from steveck-chung/DSDS-sim_switch_for_MMS

Bug 949326 - [DSDS][MMS] Switching data call follow-up fixing for default service ID type changes, r=julienw
Merge pull request #14523 from rexboy7/fix-bug917221

Bug 917221 - [Dialer] Support merging group call by Bluetooth CHLD=3 com... r=etienne
Revert Temporary Workaround from Bug 926587

Revert "Bug 926587 - [B2G][Clock][Stopwatch] Choppy transition animation going to Stopwatch from Timer or Alarm - r=jugglinmike"

This reverts commit af77086d88d66ba75dc040e4cd2fa6990be2b0bf.
Bug 921317 – [Gaia] Transform Animation in the clock app is wrong - r=jugglinmike

- Allow hashchange to initiate navigation instead of emitting 'selected' event from tabs
- Remove emitter from tabs since it doesn't need to emit anything anymore
Bug 929602 - Disable setting of origin in metadata.json in external apps
Merge pull request #14566 from alivedise/bugzilla/943717/app-window-factory-creation

Bug 943717 - Refine Instantication of AppWindow and ActivityWindow, r=etienne
Bug 948789 - Lockscreen can be unlocked without using normal gestures
Merge pull request #13485 from acperez/bug-929602

Bug 929602 - Disable setting of origin in metadata.json in external apps
Bug 903920 - [Flatfish][Video] support 2 column layout for tablet
Merge pull request #14415 from julienw/fix-invalid-recipient-width

Bug 946744 - [Messages] Long invalid recipients makes the recipient pane...
Merge pull request #14630 from snowmantw/issue948789

Bug 948789 - Lockscreen can be unlocked without using normal gestures