awk: document updating

Fill in all the details to the standard process so they are hand in one
place and don't need to be re-remembered or rediscovered for the next
import.

Sponsored by: Netflix

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

Create the altix project branch. The altix project will add support
for the SGI Altix 350 to FreeBSD/ia64. The hardware used for porting
is a two-module system, consisting of a base compute module and a
CPU expansion module. SGI's NUMAFlex architecture can be an excellent
platform to test CPU affinity and NUMA-aware features in FreeBSD.

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

Document the bwk_20071023 import.

- Update for 2007/05/01 import.

Approved by: delphij (mentor)
Nodded by: ru

Update for the 2005/04/24 import.

Update for the 2004/02/07 import.

Update for the 2003/07/31 import.

Update for the 2003/07/29 import.

Update for the 20021213 version.

Update for the just-done-import.

Really document the import procedure.

Document the import procedure.

Tell how the import was done.