Merge patch from dethfeet
FIX: WebEM movies as replacement for default streamtype will be accepted
CHG: using complete "userAgent" header to fake a browser -> leads to faster responses... i hate such vodoooo
CHG: Diasble some inoperable implementations...
FIX: adopt NDR link change (by Toerless Eckert)
Apply meta data changes
FIX: NDR Sendungen von A-Z
FIX: NDR RTMP-Streams
FIX: NDR remove (not working) MMS-Streams