sys: Automated cleanup of cdefs and other formatting

Apply the following automated changes to try to eliminate
no-longer-needed sys/cdefs.h includes as well as now-empty
blank lines in a row.

Remove /^#if.*\n#endif.*\n#include\s+<sys/cdefs.h>.*\n/
Remove /\n+#include\s+<sys/cdefs.h>.*\n+#if.*\n#endif.*\n+/
Remove /\n+#if.*\n#endif.*\n+/
Remove /^#if.*\n#endif.*\n/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/types.h>/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/param.h>/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/capsicum.h>/

Sponsored by: Netflix

sys: Remove $FreeBSD$: one-line .c pattern

Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/

A new jail(8) with a configuration file, to replace the work currently done
by /etc/rc.d/jail.

Import ACPICA 20090521.

Chase ACPICA API changes (for kernel and boot loader).

- Import the HEAD csup code which is the basis for the cvsmode work.

Clean up DSDT and XSDT correctly instead of FADT when the tables are bad.

Submitted by: jhb
Tested by: olli
MFC after: 3 days

Catch up with ACPI-CA 20070320 import.

Canonize the include of acpi.h.

Standardize __FBSDID identifiers.

MFC after: 2 days

Add the table quirk matching code. It matches rules defined in acpi_quirks
and sets the flags. It also calls the machdep quirk code first. This
allows table quirks (or whitelists) to override machdep quirks.