Remove obsolete subcl_spec
Add prompt to add config file if none exists
Fix --version call
Use subsonic demo server for default config
Add play-any command

The formatting of the picker looks very confusing for mixed types, but
oh well...
Add wildcard_order config
Fix version read in gemspec
Seek after resume playback
Look for playlists too in play-any
Add queue-next-any and queue-last-any
Add spec for play-any