Copy stable/11@r303970 to releng/11.0 as part of the 11.0-RELEASE
cycle.

Prune svn:mergeinfo from the new branch, and rename it to RC1.

Update __FreeBSD_version.

Use the quarterly branch for the default FreeBSD.conf pkg(8) repo and
the dvd1.iso packages population.

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

Copy head@r302406 to stable/11 as part of the 11.0-RELEASE cycle.
Prune svn:mergeinfo from the new branch, as nothing has been merged
here.

Additional commits post-branch will follow.

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

libexecinfo: Include terminating null in byte count

Otherwise, a formatted string with a strlen equal to the remaining
buffer space would have the last character omitted (because vsnprintf
always null-terminates), and later the assert in backtrace_symbols_fmt
would fail.

MFC after: 3 days
Sponsored by: DARPA, AFRL

Update to 2013-08-29 NetBSD libexecinfo snapshot

This adds my patch to use the kern.proc.pathname sysctl instead of
relying on procfs(5).

FreeBSD compatibility for libexecinfo

Import NetBSD libexecinfo 20130822 to contrib

Vendor import of NetBSD's libexecinfo at 2013-08-22