User:Legoktm/urlshortener deploy


 * Add UrlShortener extension to wmf.16 branch (it's already in wmf.17) gerrit:277815
 * Add it to extension-list, but don't enable gerrit:277812
 * scap!
 * Create database table on wikishared database
 * Deploy config enabling extension in read-only mode (sync-file) gerrit:277813