Validate the format of the Shoutcast v1 and v2 metadata before using it
Validate the format of the Shoutcast v1 and v2 metadata before using it

Some servers return the status code 200 and some totally non-related
data when Shoutcast metadata is queried. Previously, such data got often
parsed as valid but empty metadata. We now do some sanity checking
first.

paulijar/music,owncloud/music,paulijar/music,paulijar/music,owncloud/music,paulijar/music,paulijar/music,owncloud/music,owncloud/music,owncloud/music