fix bug 880899 - Show only mozhacks on the homepage
fix bug 883967 - Add offline content notice
Merge pull request #1217 from darkwing/smoke-test-883967

fix bug 883967 - Add offline content notice
Merge pull request #1216 from darkwing/hacks-blog-880899

fix bug 880899 - Show only mozhacks on the homepage
Merge branch 'master' of github.com:mozilla/kuma
bug 802041 - allow all users to change the translation sources of wiki documents.