html_decode: inenc-default is now via optional parameter.

It was harde coded by accident until this change. :(
Using Arg.align for alignment of usage-messages.
URL for "report-muenchen" added to "mp4"-parser
"mp4"-parser: interactivity enabled: iselectmatch instead of rowselect.
Beautfied the Varmap-signature by including the inner Varmap-module
Selected Parser now better readable / emphasized in output.