Cache-bust images on Firefox OS Style Guide Pages
Bug 922704
Bug 923025 - Enclose strings in l10n calls for /mission
Merge pull request #1287 from pascalchevrel/bug-923025_l10nify_mission_page

Bug 923025 - Enclose strings in l10n calls for /mission
Merge pull request #1283 from sgarrity/bug-922704-styleguide-cache

Cache-bust images on Firefox OS Style Guide Pages