audio/soundconverter: pass on maintainership and clean up port
- Pass maintainer from ports@ to submitter
- Add maintainer mirror to MASTER_SITES
- Add NO_ARCH
- Sort USES (portlint)
- Remove unconditional gettext USES and add NLS knob (portlint)
- Update WWW link and update pkg-descr based on upstream verbiage
PR: 200505
Submitted by: Chris Hutchinson <portmaster@bsdforge.com> (with changes)