Fix Bug 1112775 - styles missing on whatsnews page
Merge pull request #2595 from kyoshino/bug-1112775-whatsnew-styles-missing

Fix Bug 1112775 - styles missing on whatsnews page
Fix Bug 1111872 - Firefox screenshot is not centered on /firefox/new/
Merge pull request #2596 from kyoshino/bug-1111872-screenshot-centering

Fix Bug 1111872 - Firefox screenshot is not centered on /firefox/new/
[bug 1108664] Add missing Firefox OS FAQ style sheets
Merge pull request #2599 from alexgibson/bug-1108664-less-import-cleanup

[bug 1108664] Add missing Firefox OS FAQ style sheets
Switch to the new Docker-based Travis CI builds.