Import ACPICA 20130626.
Import ACPICA 20130725.
Import ACPICA 20130823.
Import ACPICA 20130927.
Import ACPICA 20131115.
Import ACPICA 20131218.
Import ACPICA 20140414.
Restore the BSD license and update copyright date.

Reported by:	Sascha Widner <swildner@gmail.com> (via devel@acpica.org)
Import ACPICA 20140214.
Import ACPICA 20140325.
Import ACPICA 20140424.
Import ACPICA 20140627.
Add vendor import for pjdfstest

This vendor import code was obtained from
https://github.com/pjd/pjdfstest/commit/abf03c3a47745d4521b0e4aa141317553ca48f91

Approved by: rpaulo (mentor)
Phabric: D743
Sponsored by: EMC / Isilon Storage Division
Import ACPICA 20140828.
Add if_inc_counter(), a generic method to update ifnet(9) counter
w/o dereferencing the struct.

Sponsored by:	Netflix
Sponsored by:	Nginx, Inc.
While not too late rename if_get_counter_compat() to if_get_counter_default().
The compat counters will go away, but the function will remain in its place,
and in all places where it is going to be called.

Discussed with:	melifaro
Fix typos.

Sponsored by:	The FreeBSD Foundation
Remove unused ZFS ARC functions

* arc_data_buf_alloc
* arc_data_buf_free

MFC after:	1 week
Sponsored by:	Multiplay
vt(4): Fix out-of-bounds array access in VT_ACTIVATE ioctl handling

CID:		1229964
MFC after:	3 days
Wrap long lines introduced in r268227