Merge pull request #13785 from snowmantw/issue939434

Bug 939434 - Lock screen handle does not return to its original position when you hit "cancel" from passcode panel, r=timdream
(cherry picked from commit 28e7dd59cf5b8ad9b197c59fbf92603e934e0474)
Merge pull request #13615 from rexboy7/fix-bug923646

Bug 923646 - add duration to conference call
(cherry picked from commit df56d02d9040e3e31f574eb84a7c029600f7e011)
Merge pull request #13881 from AntonioMA/bug936018

Bug 936018 - Change the way the icons are loaded to allow reentrant calls
(cherry picked from commit cdab4981044ddcf0ca32cab6e66a8141556701dc)
Merge pull request #13870 from Pike/bug-940897-localize-inputs

bug 940897, localize inputs in keyboard's manifest.webapp
(cherry picked from commit f936039df67b3f86463f70681dc9e71256d74823)
Bug 937929 - Possible to open awesomescreen with awesomebar hidden. r=daleharvey

(cherry picked from commit a89d50442cbf800a26e1610d95321c48e00eb4a1)
Merge pull request #13916 from vingtetun/bug937101

Bug 937101 - [status bar] unable to grab down the status bar. r=alive
(cherry picked from commit e7edad1c038670db79242901f36fc9b77460f718)
Merge pull request #13448 from mschwart/bug935780

Bug 935780 - Observe stk timeout settings
(cherry picked from commit 6d5e83922853bc5a8d1d8db00224d67bd6a1e998)
Merge pull request #13924 from davidflanagan/bug937911

Bug 937911: add a Bulgarian auto-correct dictionary, r=timdream
(cherry picked from commit 1cd5bef43a577ef2256a048269a4926c0f492470)
Merge pull request #13761 from pivanov/bug-938785

Bug 938785 - [Settings] App background doesn't scroll with content forcing a fullscreen layer
(cherry picked from commit 67fcbb16bd1085841c9fceb87fa1d9fb15806420)