Merge pull request #20213 from mnjul/bug_1021860_lockscreen_icon_wrong_color

Bug 1021860 - [VsD Refresh] Lockscreen Visual Refresh > Lockscreen icons are not the right color  [r=gweng]
Merge pull request #20467 from gasolin/issue-1022908

Bug 1022908 - [B2G][Flame][Browser] Camera and microphone permissions ar..., r=alive
Merge pull request #20522 from KevinGrandon/bug_1021343_dual_homescreen_entries

Bug 1021343 - [Settings] Duplicated Homescreen entry