Update to XS-httpd 3.7 beta 30
Remove libtool .la files from all Qt ports

Approvedy by:	kde (makc)
- add stage support
Remove zombie patch that somehow came back in r362251
- Introduce new port: audio/hydrogen-devel
- Add audio/hydrogen-devel to audio/Makefile
- Introduce suitable CONFLICTS to audio/hydrogen/Makefile

PR:		178457
Submitted by:	Shane Ambler <FreeBSD@ShaneWare.Biz> (maintainer)
Approved by:	mentors (implicit)