Add myself (brnrd / Bernard Spil) to ports committers
- Add news entry for me as new ports committer
- Add myself to authors.ent
- Remove spil.oss@gmail.com from contrib.additional.xml
- Add brnrd@freebsd.org to contrib.committers.xml
- Move vsevolod from alumni to committers
- Add my PGP key
Approved by: [koobs, vsevolod]