1.  Add README.txt with upgrade instructions as well as license info
    and governance.
2.  Add FREEBSD-Xlist to prune the distribution.
3.  Remove files & directories not used by FreeBSD.
Import atf-0.17:

Experimental version released on February 14th, 2013.

* Added the atf_utils_cat_file, atf_utils_compare_file,
  atf_utils_copy_file, atf_utils_create_file, atf_utils_file_exists,
  atf_utils_fork, atf_utils_grep_file, atf_utils_grep_string,
  atf_utils_readline, atf_utils_redirect and atf_utils_wait utility
  functions to atf-c-api.  Documented the already-public
  atf_utils_free_charpp function.

* Added the cat_file, compare_file, copy_file, create_file, file_exists,
  fork, grep_collection, grep_file, grep_string, redirect and wait
  functions to the atf::utils namespace of atf-c++-api.  These are
  wrappers around the same functions added to the atf-c-api library.

* Added the ATF_CHECK_MATCH, ATF_CHECK_MATCH_MSG, ATF_REQUIRE_MATCH and
  ATF_REQUIRE_MATCH_MSG macros to atf-c to simplify the validation of a
  string against a regular expression.

* Miscellaneous fixes for manpage typos and compilation problems with
  clang.

* Added caching of the results of those configure tests that rely on
  executing a test program.  This should help crossbuild systems by
  providing a mechanism to pre-specify what the results should be.

* X-NetBSD-PR bin/45690: Make atf-report convert any non-printable
  characters to a plain-text representation (matching their
  corresponding hexadecimal entities) in XML output files.  This is to
  prevent the output of test cases from breaking xsltproc later.

Note that this import, compared to the one for 0.16, brings in all the
files that are part of the release.  This is to follow the Subversion
Primer guidelines, which mention that all files should be imported first
and only dropped when merging into contrib/atf/.

Approved by:	rpaulo (mentor)
Import atf-0.18:

Experimental version released on November 16th, 2013.

* Issue 45: Added require.memory support in atf-run for FreeBSD.

* Fixed an issue with the handling of cin with libc++.

* Issue 64: Fixed various mandoc formatting warnings.

* X-NetBSD-PR bin/48284: Made atf-check flush its progress message to
  stdout so that an interrupted test case always shows the last message
  being executed.

* X-NetBSD-PR bin/48285: Fixed atf_check examples in atf-sh-api(3).

Approved by:	rpaulo (mentor)
Implement pmap_align_superpage().

MFC after:	6 weeks
MFV: Import atf-0.18.

Approved by:	rpaulo (mentor)
Drop all ATF tools code.

We stopped building the tools in r256365 so there is no need to ship
their code any longer.

Approved by:	rpaulo (mentor)
The fasttrap ioctl used to create probes takes a variable-sized argument.
It was not being correctly copied into the kernel on FreeBSD, and as a
result, probes with multiple probe sites were not being created properly.
To fix this, change the ioctl definition so that the fasttrap ioctl handler
is responsible for copying in userland data.

Submitted by:	Prashanth Kumar <pra_udupi@yahoo.co.in>
MFC after:	1 month
Fix ZFS deadlock when sending a snapshot which is mounted.

MFC after:	1 week
Sponsored by:	Multiplay
Remove registration of C++ test programs into PROGS.

C++ programs need to be added to PROGS_CXX, not PROGS, and the code was
actually doing both.  Just keep the registration into PROGS_CXX to
prevent possible obscure build problems.

Approved by:	rpaulo (mentor)
Fix the build of plain test programs.

SRCS.<prog> must be explicitly defined when using the PROGS* functionality
for each program to be built.

As there are no plain test programs in the system yet, this was not
detected.

Approved by:	rpaulo (mentor)
Add some sample test programs.

This change adds some sample test cases to share/examples/tests/
demonstrating the basic usage of the atf and plain interfaces.

These test programs are fully-functional and are installed as part
of the test suite, which guarantees that the sample code remains
correct.  However, they currently mostly serve as a placeholder for
additional examples and may be incomplete (depending on how you
look at them).  I will see what else can be useful while working on
documentation.

As a bonus, the addition of these tests exercise the *.test.mk files,
one of which (plain.test.mk) was not yet in use, and also demonstrates
that it's possible to mix different kinds of test programs into the
same test suite.

Approved by:	rpaulo (mentor)
Use the IMAGES variable to determine which image files to remove
as part of 'make -C /usr/src/release clean'.

MFC after:	3 days
Sponsored by:	The FreeBSD Foundation
Add a script and configuration files to fetch pre-built packages
from pkg.FreeBSD.org for inclusion on release medium (dvd1.iso).

The script sources ${.CURDIR}/${TARGET}/pkg-stage.conf, which sets
several environment variables, such as the pkg(8) ABI, PACKAGESITE,
PKG_DBDIR, and PKG_CACHEDIR.  PKG_CACHEDIR is set to the directory
on the release medium used by bsdconfig(8) (/packages/${ABI}).  ABI
is determined by output of 'make -C /usr/src/release -V REVISION'.
See pkg.conf(5) for descripton on other variables set here.

The list of packages to include are set within the configuration
file.

The script and configuration files are intended to be run by the
'make dvd' target within the release directory, and assume the
release is built within a chroot environment (such as by using
release.sh).

Relevant updates to release/Makefile will follow.

Sponsored by:	The FreeBSD Foundation
Unconditionally copy the build host /etc/resolv.conf into
the chroot directory, since hostname resolution may be
needed in the case of building a dvd image (with packages)
and also setting 'NOPORTS=1'.

MFC after:	3 days
X-MFC-With:	r258305, r258307
Sponsored by:	The FreeBSD Foundation
Set the PKG_CACHEDIR directory to 'dvd/' instead of 'release/'
in preparation of adding a 'dvd1.iso' target.

MFC after:	3 days
X-MFC-With:	r258305, r258307, r258308
Sponsored by:	The FreeBSD Foundation
Add the 'dvd1.iso' target.  This mimics the 'release.iso' target,
with the additional step of fetching packages for inclusion on the
dvd image.

The 'pkg-stage' target is used to run 'scripts/pkg-stage.sh' if
the '${TARGET}/pkg-stage.conf' configuration file exists (currently
only amd64 and i386).

Allow dvd1.iso to be skipped if NODVD=1.

MFC after:	3 days
X-MFC-With:	r258305, r258307, r258308, r258309
Sponsored by:	The FreeBSD Foundation
opensolaris/uts/common/dtrace/fasttrap.c
	Fix several problems that can cause panics on kldload and kldunload.

	* kproc_create(fasttrap_pid_cleanup_cb, ...) gets called before
	  fasttrap_provs.fth_table gets allocated.  This can lead to a panic
	  on module load, because fasttrap_pid_cleanup_cb references
	  fasttrap_provs.fth_table.  Move kproc_create down after the point
	  that fasttrap_provs.fth_table gets allocated, and modify the error
	  handling accordingly.

	* dtrace_fasttrap_{fork,exec,exit} weren't getting NULLed until
	  after fasttrap_provs.fth_table got freed.  That caused panics on
	  module unload because fasttrap_exec_exit calls
	  fasttrap_provider_retire, which references
	  fasttrap_provs.fth_table.  NULL those function pointers earlier.

	* There wasn't any code to destroy the
	  fasttrap_{tpoints,provs,procs}.fth_table mutexes on module unload,
	  leading to a resource leak when WITNESS is enabled.  Destroy those
	  mutexes during fasttrap_unload().

Reviewed by:	markj
Approved by:	ken (mentor)
Sponsored by:	Spectra Logic
MFC after:	4 weeks
Fix how ABI is evaluated so it matches more than a dot-zero
case.

MFC after:	3 days
X-MFC-With:	r258310
Sponsored by:	The FreeBSD Foundation
Bug fixes in iconv(3) UTF-7 support.

- Add ' to the list of directly encoded characters and * to the list of
  optionally directly encoded characters as per RFC 2152.

- In _citrus_UTF7_mbtoutf16 on end of input when the next output character
  has only been partially decoded, save a copy of the buffer of input
  characters (not just its length).  On the next call with more input
  characters this buffer is reprocessed together with the new input to
  form a fully decoded output character.

- At the end of a base64 encoded sequence fully discard '-' (BASE64_OUT)
  by decrementing psenc->chlen and i.  This is needed to make room in
  psenc->ch (input buffer) in case the next input character starts a new
  base64 encoded sequence.  And also, if this is the end of input and no
  output character can be returned, this brings the encoder in the initial
  state as indicated by _citrus_UTF7_stdenc_get_state_desc_generic which
  is used by the caller to distinguish between no output and partial
  output.

- In _citrus_UTF7_mbrtowc_priv pass the s parameter (input pointer)
  directly to _citrus_UTF7_mbtoutf16 instead of a copy (s0).  This way s
  is updated correctly in case of errors.

- In _citrus_UTF7_mbrtowc_priv when called with psenc->surrogate set
  (previous call did not have enough input), retrieve the previously
  decoded UTF-16 character from (psenc->cache >> psenc->bits) instead of
  (psenc->cache >> 2).

MFC after:	5 days
Document the 'dvdrom' target.

MFC after:	3 days
X-MFC-With:	r258310
Sponsored by:	The FreeBSD Foundation