devel/schilybase: Update to 2021-09-01

Update to 2021-09-01 and while here, also:

• add WWW to misc/schilytools/pkg-descr
• use make loops and conditionals instead of shell loops
• regenerate some patches to make them apply cleanly
• add an NLS option to devel/schilybase (toggles dummy message catalogue generation)

PR: 257905
Reported by: bugzeo <kiboto6933@eyeremind.com>
Differential Revision: https://reviews.freebsd.org/D31808