Commit from Mozilla Verbatim by user markh@babelzilla.org.: 5453 of 5453 strings translated (0 fuzzy).
Merge branch 'master' of ssh://github.com/mozilla/zamboni
L10N update for Czech (cs)
Update bg locale
Add migration to fix default_language's default db value in Collections (bug 908934)
Merge pull request #1047 from diox/collections-default_language-fix

Add migration to fix default_language's default db value in Collections (bug 908934)
Merge pull request #1046 from JasnaPaka/master

L10N update for Czech (cs)
Merge pull request #1045 from chilyashev/patch-1

Update bg locale
Merge branch 'master' of ssh://github.com/mozilla/zamboni
Commit from Mozilla Verbatim by user valastiak@mozilla.sk.: 366 of 392 strings translated (0 fuzzy).
images for collections (bug 899778)
Create and implement PublisherSupervisor permission on rocketfuel API endpoints (bug 906862)