chainloader images for squeeze and wheezy

these images use DHCP and will try to reach
the apache on .1 of the libvirt NAT bridge network

example call:

root@miranda:/var/www/bootstrap# LANG=C wget --server-response -O /dev/null http://192.168.123.1/bootstrap/primaryloader/bin/bootstrap.sh 2>&1
--2013-02-02 21:09:15--  http://192.168.123.1/bootstrap/primaryloader/bin/bootstrap.sh
Connecting to 192.168.123.1:80... connected.
HTTP request sent, awaiting response...
  HTTP/1.1 200 OK
  Date: Sat, 02 Feb 2013 20:09:15 GMT
  Server: Apache/2.2.22 (Debian)
  Last-Modified: Sat, 02 Feb 2013 18:48:32 GMT
  ETag: "8fa3d3-95c-4d4c24e76e000"
  Accept-Ranges: bytes
  Content-Length: 2396
  Keep-Alive: timeout=5, max=100
  Connection: Keep-Alive
  Content-Type: text/x-sh
Length: 2396 (2.3K) [text/x-sh]