PERFORCE change 120437 for review

[andrew]

http://perforce.freebsd.org/chv.cgi?CH=120437

Change 120437 by andrew at andrew_hermies on 2007/05/26 23:59:55

	Add the start of the FreeBSD Update Frontend code. It waits for filesystem activity on /var/db/freebsd-update then looks to see if the `sha256("/")`-install link in that directory is present meaning there are updates avaliable.

Affected files ...

.. //depot/projects/soc2007/andrew-update/Makefile#1 add
.. //depot/projects/soc2007/andrew-update/backend/Makefile#1 add
.. //depot/projects/soc2007/andrew-update/backend/facund-be.c#1 add

Differences ...