CE-1103 Return domain without language prefix
CE-1103 Fix RegExp to catch all language codes
CE-1103 Correct domain matching and add wgContentLanguage check
CE-1103 Track closing of the notification
CE-1103 PR fixes
CE-1103 Add unit test for domain parsing
CE-1103 Include setup and assertEquals in the test
CE-1103 Correct setup file inclusion
Merge pull request #5490 from Wikia/CE-1103-wiyl-all-languages

CE-1103 Enable WikiaInYourLang extension on all wikias