Merge pull request #5818 from Wikia/aden-1650-amazon-new-api

ADEN-1650 Enable the new Amazon integration, but with empty country list
(CE-1184) Apply MediaWiki 1.19.23 release

Apply the MediaWiki 1.19.23 release.
(CE-1184) Apply ExpandTemplates security patch from MW 1.19.23
(CE-1184) Apply Scribunto patch for MW 1.19.23
Merge branch 'CE-1184' into dev
(CE-1185) Fix fatal error on close account

When the new FacebookClient is enabled, the old FBConnect isn't available
and so removing the account from FBConnect fails. Add a check for the new
version and use its method of disconnecting accounts from Facebook.
Merge pull request #5830 from Wikia/CE-1185

(CE-1185) Fix fatal error on close account
Adding ?fps=1 option