First version of UMX parser

Signed-off-by: Carlos Rafael Giani <dv@pseudoterminal.org>
Moved umxparse to gst/

Signed-off-by: Carlos Rafael Giani <dv@pseudoterminal.org>
umxparse: got rid of loaded flag and added more trace output

Signed-off-by: Carlos Rafael Giani <dv@pseudoterminal.org>
baseclass: fixed wrong return value

Signed-off-by: Carlos Rafael Giani <dv@pseudoterminal.org>
Added typefinder for unreal packages

Signed-off-by: Carlos Rafael Giani <dv@pseudoterminal.org>