Merge pull request #12613 from cctuan/922462-fix

Bug 922462 - [Flatfish] Define various size of icons in manifest instead of use buildscript(cherry picked from commit 55831f0c53a01c446211819298a1ba7f29dcc786)
Merge pull request #12749 from etiennesegonzac/bug-910584-dialer-headset-and-speaker

Bug 910584 - Plugging headphones in during a call should turn off the speaker if it's on. r=Rik(cherry picked from commit 1deb60f128b819212161de90205a6b5e1e97935d)
Merge pull request #12737 from alivedise/bugzilla/922713/permission-dialog-button-text

Bug 922713 - Permission request button text, r=timdream(cherry picked from commit 0aa42224ca83085db2a11d6d60796a64f5f2951b)
Merge pull request #12689 from gasolin/issue-917359

Bug 917359 - Remember my choice is exposed for the getUserMedia dialog, ..., r=alive(cherry picked from commit d977e335e9bef01dae60713ffac12922fc32c35b)
Merge pull request #12943 from gitmai/bug-928499-no-background-image

Bug 928499 - Background image (r=fcampo)(cherry picked from commit 1f91430b90a7fc67876860be50d8dc016c12941a)
Merge pull request #13006 from alivedise/bugzilla/929285/soft-home-height

Bug 929285 - Predefine appWindow height with software home button enable...r=timdream(cherry picked from commit cf2e63a44fbf095d3a7b5975919a1df19f610c8f)
Merge pull request #12293 from luke-chang/917732_multitouch_on_candidate_panel

Bug 917732 - [Keyboard] Candidate panel displays wrong data when clicking candidate-panel-toggle-button and space key at the same time, r=rudylu(cherry picked from commit c59be1ad4a0bc005ff648eae59c441cb03771fbf)
Merge pull request #12993 from punamdahiya/Bug916183

Bug916183 - Fix of Done button target is off r=alive(cherry picked from commit 0c52c04fa2e07c119f4777f1dddc1081734de4ab)
Merge pull request #12779 from bmac/924846

Bug 924846 - [Keyboard][V1.2] Selected keyboard cannot be displayed whil...
r=gchen(cherry picked from commit d7fb74aba394b4862d71b6e51e48da44ab62f9eb)