[fix bug 1016500] Small manifesto page CSS style updates and fixes
[no bug] Update bedrock docs for Mozilla.UITour
[fix bug 1048249] Fix broken social links in communities pages
Merge pull request #2186 from alexgibson/update-uitour-docs

[no bug] Update bedrock docs for Mozilla.UITour
Fix bug 1043062 - update /gigabit copy
Merge branch 'refs/heads/mmmavis-bug-1043062-update-gigabit-copy'
Merge pull request #2185 from mozilla/bug-1016500-small-design-updates-manifesto

[fix bug 1016500] Manifesto page CSS style updates and fixes
Merge pull request #2197 from alexgibson/bug-1048249-broken-social-links-communities-pages

[fix bug 1048249] Fix broken social links in communities pages