Remove $FreeBSD$: one-line sh pattern

Remove /^\s*#[#!]?\s*\$FreeBSD\$.*$\n/

libcasper: Move helper libraries from /lib/casper to /lib.

These libraries are linked to directly by applications rather than
opened at runtime via dlopen().

Discussed with: oshogbo
Reviewed by: markj, emaste
Differential Revision: https://reviews.freebsd.org/D39245

libcasper: Introduce cap_net a network service for Casper.

Reviewed by: emaste, markj (previous version), bcr (man page)
Differential Revision: https://reviews.freebsd.org/D24688