Flattern all tags and dist tree for expat.
Correct a DoS issue when processing XML document with malformed
UTF-8 sequences.

Obtained from:	expat CVS (revisions 1.14 and 1.15)
Security:	CVE-2009-3560
Apply a vendor fix (rev 1.165): Don't update next pointer since it could
confuse tokenizer.

Obtained from:	expat CVS
Security:	CVE-2009-3720
import ldns 1.6.13
Update vendor-sys/opensolaris to last OpenSolaris state (13149:b23a4dab3d50)
Add ZFS bits to vendor-sys/opensolaris

Obtained from:	https://hg.openindiana.org/upstream/oracle/onnv-gate
Update vendor-sys/illumos/dist to pre libzfs_core state
illumos-gate revision 13742:b6bbdd77139c

Obtained from:	ssh://anonhg@hg.illumos.org/illumos-gate
Update vendor-sys/illumos/dist to illumos-gate 13752:9f5f6c52ba19

Obtained from:	ssh://anonhg@hg.illumos.org/illumos-gate
Update vendor-sys/illumos to illumos-gate 13753:2aba784c276b

Obtained from:	ssh://anonhg@hg.illumos.org/illumos-gate
Update vendor-sys/illumos to illumos-gate 13758:23432da34147 (dtrace)

References:
  https://www.illumos.org/issues/3021
  https://www.illumos.org/issues/3022
  https://www.illumos.org/issues/3023
  https://www.illumos.org/issues/3024
  https://www.illumos.org/issues/3025
  https://www.illumos.org/issues/3026

Obtained from:	ssh://anonhg@hg.illumos.org/illumos-gate
Update vendor-sys/illumos/dist to illumos-gate 13772:2579580ac955

References:
  https://www.illumos.org/issues/3085 (zfs diff panics)

Obtained from:	ssh://anonhg@hg.illumos.org/illumos-gate
Update vendor/illumos and vendor-sys/illumos to revision 13777:b1e53580146d

Obtained from:	ssh://anonhg@hg.illumos.org/illumos-gate
Update vendor/illumos/dist and vendor/illumos-gate/dist
to illumos-gate revision 13782:8f78aae28a63

Obtained from:	ssh://anonhg@hg.illumos.org/illumos-gate
Update vendor/illumos/dist and vendor/illumos-gate/dist
to illumos-gate revision 13794:7c5e0e746b2c

Obtained from:	ssh://anonhg@hg.illumos.org/illumos-gate
Update vendor/illumos/dist and vendor/illumos-sys/dist
to illumos-gate 13805:e3a9ae14a119
(zfs changes, illumos issues #1884, #3006)
Update vendor/illumos/dist and vendor-sys/illumos/dist
to illumos-gate 13836:37bf491c434c
(illumos ZFS issues #2678, #2811, #3139, #3189, #3208)
Update vendor/illumos/dist and vendor-sys/illumos/dist
to illumos-gate 13849:3468a95b27cd
(illumos ZFS issues #3145, #3212, #3258)
Update vendor-sys/illumos/dist to illumos-gate 13866:040f4b0699ee
(no FreeBSD-relevant changes - illumos issue #3301)
Update vendor/illumos/dist and vendor-sys/illumos/dist
to illumos-gate 13869:921a99998bb4
(illumos ZFS issue #3246 ZFS I/O deadman thread)

Note: illumos disables deadman logic by default on vmware and sparc
Update vendor/illumos/dist and vendor/illumos-sys/dist
to illumos-gate 13871:a9c12c2c1647
(zfs changes, illumos issues #3306, #3321)
Update vendor-sys/illumos/dist to illumos-gate 13879:4eac7a87eff2
(illumos ZFS issues #3329, #3330, #3331, #3335)