[fix bug Bug 943585] build photo galleries for contact pages
Merge pull request #1550 from mozilla/bug-943585-build-photo-galleries-for-contact

[fix bug 943585] build photo galleries for contact pages
Bug 818316 followup, fix title
Merge pull request #1552 from kyoshino/bug-818316-title-fix

Bug 818316 followup, fix the title
Transparent background for contribute page image
Fixes Bug 951022 and replaces/fixes #1528
Thanks to sudheesh001