following 6. Setup, Conventions, and Traditions (Committer's Guide);

1. added authors entry;
2. updated contributors entries;
   • removed 'additional' entry;
   • added 'committers' entry.
3. news item created;
4. pgp info updated via addkey.sh;
   • took care to add the @FreeBSD.org uid.

freefall's /var/forward/egypcio already present.

Approved by: araujo (mentor), rene (mentor)
Differential Revision: https://reviews.freebsd.org/D17468