Merge pull request #18731 from cctuan/999413

Bug 999413 - clean useless files when execute make
Merge pull request #18725 from dmarcos/bug965486

Bug965486
Merge pull request #18631 from tauzen/Bug999569

Bug 999569 [NFC] Initialization test cases for NfcManager r=alive
Bug 967089 - [gallery] remove visibility monitor code if it is no longer needed
Merge pull request #17837 from shamenchens/Bug967089-Remove-Visibility-Monitor-ImgSrc2

Bug 967089 - [gallery] remove visibility monitor code if it is no longer..., r=punam
Bug 796474 - [email] quasi-infinite scroll may hitch under OMTC; consider using absolute positioning with virtual coordinate space
Merge pull request #18671 from jrburke/bug796474-email-virtual-scroll-slim

Bug 796474 - [email] quasi-infinite scroll may hitch under OMTC r=asuth
Merge pull request #18655 from kamituel/Bug_997338_3

Bug 997333: Fixed comments. Added null-check in fromUTF8(). r=alive
Bug 996522 - [NFC] reset currentURL to null in Homescreen. r=alive
Merge pull request #18416 from azasypkin/bug-997053-attachment-assets

Bug 997053 - [Messages] Update @2.25x assets for attachment placeholders and move it to the correct place.
Merge pull request #18718 from azasypkin/bug-995350-save-button

Bug 995350 - [SMS] - Display Save button for attached image file name having hidden directories ".gallery/". r=julien
Merge pull request #18721 from KevinGrandon/bug_1002264_remove_system_publish

Bug 1002264 - [System] Remove System.publish function
Bug 995187 - [1.4]Call log is not showing the full phone number
Bug 996569 - Improve performance of FB and other services contacts importation
Merge pull request #18742 from jmcanterafonseca/pages_as_shared_resource

Bug 1001370 - Add a new type of shared element (pages) for the build sys...
1000050-changing section class name
Merge pull request #18580 from etiennesegonzac/bug-997701-tone-player-channel

Bug 997701 - Set TonePlayer's channel when creating the audi element. r=gsvelto, rik
Merge pull request #18694 from etiennesegonzac/bug-1000047-callscreen-race

Bug 1000047 - Hardening the callscreen against a transition end race. r=rik
Merge pull request #18678 from crdlc/bug-996569

Bug 996569 - Importing FB contacts is soooooooooooooooooooo slow
Merge pull request #18744 from chirarobert/wait_master

Bug 995187 - Call log is not showing the full phone number