User:Aaron Schulz/Swift thumbnail deploy

Swift TODO:

• Backport LocalFilePurgeThumbnails hook and deploy it
• Svn up and sync SwiftCloudfiles
• Enable and deploy SwiftCloudfiles
• Set swift config in PrivateSettings.php
• Set 'swiftThumb' MW udp logger
• Include swift.php in CommonSettings.php
• Run purge-from-deletion-log script
• Start squid changes...