Update song separation mark
 Replace "artist : title" by "artist - title"
Merge branch 'metadatas_separation' into dev
Remove channel url in station name
Merge branch 'stream_description_url' into dev
Remove 'ogg_quality' in mp3 stream
Merge branch 'ogg_quality' into dev
Delete CHANGELOG

Remove old CHANGELOG file.
Merge pull request #16 from ChoiZ/dev

Minor changes