update the base URL
CE-419 Special:CloseWiki/information fix dumps urls
explain the meaning of the S3_MIGRATION constant
update the base URL
CE-419 Special:CloseWiki/information fix dumps urls
explain the meaning of the S3_MIGRATION constant
Merge branch 'CE-419-SpecialCloseWiki-fix-dumps-urls' of https://github.com/Wikia/app into CE-419-SpecialCloseWiki-fix-dumps-urls

Conflicts:
	extensions/wikia/WikiFactory/SpecialWikiFactory.i18n.php
i18n fix
Merge pull request #1880 from Wikia/CE-419-SpecialCloseWiki-fix-dumps-urls

Ce 419 special close wiki fix dumps urls