prevent word breaks in tabs
+ko/vi aliases and ns i18n, +maps aliases
denote wikia changes in non-wikia extensions
+translations for ThemeDesignerPreview
Remove the CrowdAuthentication extension.
Remove the Auth_remoteuser extension.
Remove the LdapAuthentication extension.
Remove the NewUserMessage extension.
Remove the NssMySQLAuth extension.
Remove the ArticleFeedback extension.
Remove the GlobalAuth extension.
Remove the TwitterLogin extension.
Remove the OpenID and LinkOpenID extensions.
Remove the AuthorProtect extension.
Remove the ConfirmAccount extensions.
Remove the SemanticSignup extension.
Remove unused LibmemcachedSessionHandler.
ZD:168340
ZD:168340

Matching VSTF request.
Merge pull request #5436 from WikiaVolDev/VOLDEV-94

VOLDEV-94, VOLDEV-97, VOLDEV-102