This commit was manufactured by cvs2svn to create branch 'RELENG_3'.
MFC: Fix an unmatched quote.

PR:		14684
Submitted by:	mistral@imasy.or.jp
MFC: bring mergemaster into RELENG_3
MFC: rev. 1.4,  mention dumpvfscache
MFC: rev. 1.3, bring into the reality
MFC: fix comments
MFC: rev. 1.8, style fix
MFC: rev. 1.19, restore sub-sections order
MFC: rev. 1.4, remove useless section
MFC: dead loop fix
MFC: Fix typo: MOUSE_GETSTAT -> MOUSE_GETSTATUS.
MFC the support for the BIOS function to copy extended memory,
interrupt 0x15, function 0x87.  Also, MFC the PAGING conditional
compilation knob to allow paging to be disabled in btx.

This is needed for the Mylex and AMI Megaraid controllers.
MFC: time printing bug
Sync with sys/boot/i386/btx/btx/{Makefile,btx.s} revision 1.5.2.2 and
1.8.2.4, respectively.
Staticize.
Fixed missing changes from sys/i386/conf/GENERIC.
MFC: Properly document ENOENT.
MFC: Use local time not gmt to decide on date formatting.
Fix the CLOSING state bug that crept in from 4.0.

Noticed by:	Jeroen Ruigrok van der Werven <asmodai@wxs.nl>
MFC: Save %fs and %gs in sigcontext when delivering signals and restore
them upon return.