pxe

Update Ubuntu PXE files

Update pxe configuration
wget http://installit.googlecode.com/hg/preseed/preseed.squeeze.amd64.conf -O /var/lib/tftpboot/pxelinux.cfg/preseed.squeeze.amd64.conf
wget http://installit.googlecode.com/hg/preseed/preseed.wheezy.amd64.conf -O /var/lib/tftpboot/pxelinux.cfg/preseed.wheezy.amd64.conf
wget http://installit.googlecode.com/hg/preseed/preseed.precise.i386.conf -O /var/lib/tftpboot/pxelinux.cfg/preseed.precise.i386.conf
wget http://installit.googlecode.com/hg/preseed/preseed.precise.amd64.conf -O /var/lib/tftpboot/pxelinux.cfg/preseed.precise.amd64.conf