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.
Import ACPICA 20140828.
Import ACPICA 20140926.
Remove the extra CFLAGS now that the driver has been fixed by jhb.
strptime(3): Update manpage for %U and %W.

%U and %W were implemented as part of r272273 so take them
out of the BUGS section and mention them in the SYNOPSIS.

MFC after:	1 month
Merge ACPICA 20140926.