File: purge thumnbails using a proper domain
LocalFile: run LocalFilePurgeCache and LocalFilePurgeThumbnails hooks
Alter the list of URLs to purge by adding the second domain images are served from
File: make a diff in core code a bit smaller
Merge pull request #2520 from Wikia/bac-1206-purge-thumbs-on-nocookie-domain

File: purge thumnbails using a proper domain