Bug 958584 - Swiping from the top to make the status bar appear in full screen.
Bug 966592 - Remove logged errors for DEBUG profiles r=fabrice
Bug 966889 - Browser System App is Deletable
Merge pull request #15901 from crdlc/bug-966889

Bug 966889 - Browser System App is Deletable
Merge pull request #15207 from etiennesegonzac/bug-958584-fullscreen-statusbar

Bug 958584 - Swiping from the top to make the status bar appear in fullscreen r=vingtetun
Merge pull request #15885 from KevinGrandon/bug_966592_nightly_errors

Bug 966592 - Remove logged errors for DEBUG profiles r=fabrice