astro/oskar: Update 2.8.3 => 2.12.2, unbreak on all ARCHS
- Add WWW for documentation site
- Clarify LICENSE
- Unbreak on all ARCHS
- Remove upstreamed patches
- Pet portclippy(1) and portfmt(1)
Approved by: yuri@ (maintainer, Mentor)
Approved by: db@, yuri@ (Mentors, implicit)
Differential Revision: https://reviews.freebsd.org/D56106