BAC-691:
- added class WikiaLog to send errors to private logs
- send all errors (with backtrace) to private log if occurs any problem with uploading images.
improvements to logging for BAC-691
more improvements for BAC-691
small spacing fix
more tweaks to logging for BAC-691
yet more improvements to logging for BAC-691
missing push to result array in BAC-691
BAC-691 revised logging for further investigations
BAC 691 - allowing Status XML representation and skipping wikimediacommons failures
BAC-691 Really filtering out wikimediacommons filesystem operation errors ;)