• Remove the Security Advisories and Errata Notices section, which are not relevant for a dot-zero release.
• Reword the entry for r261498.
• Remove a duplicate entry.
• Document byacc(1) update to 20160324.
• Document mdocml(1) update to 20160116.
• Capitalize 'Sendmail'.
• Document svnlite(1) update to 1.9.4.
• Document tzdata update to 2015g.
• Reword the entry for r288090, and update upstream version.
• Reword the entry for r301169.
• Fix spacing for r296277 entry.
• Remove the empty 'Boot Menu', 'Ports', and 'Documentaton' sections.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation