[xtube] user playlist extractor
Merge remote-tracking branch 'fiocfun/xtube-user-extractor'
[worldstarhiphop] Modernize
[xbef] (Add extractor)
[utils] Simplify setproctitle
[test] Move expect_info_dict out of test_download
[instagram] Add support for user profiles (Fixes #2606)
release 2014.03.23