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

Add manual pages for the io, ip, proc, sched, tcp and udp DTrace providers.
The format of these pages is somewhat experimental, so they may be subject
to further tweaking.

Differential Revision: https://reviews.freebsd.org/D2170
Reviewed by: bcr, rpaulo
MFC after: 2 weeks

Fix the description of the -h option.

Reported by: swills
MFC after: 3 days

Convert the dtrace(1) man page to mdoc and fix up some aspects of it that
don't make sense on FreeBSD. In particular,

- remove the ATTRIBUTES section,
- remove references to the Solaris Dynamic Tracing Guide, except in the
SEE ALSO section,
- update the description of the -A option for FreeBSD's implementation,
- remove references to Solaris-specific programs and configuration files,
and replace them with FreeBSD equivalents where possible.

The content has not changed aside from this.

Approved by: re (joel)
MFC after: 1 week

This commit was generated by cvs2svn to compensate for changes in r178476,
which included commits to RCS files with non-trunk default branches.

Vendor import of the DTrace app and test suite from OpenSolaris.