revert fix. fai-chboot -l without parrtern did not worked any more
minor change
do not mount nfsroot when creating bootonly CD, closes: #748839
Thanks to Kerim Gueney for the patch
add FAI_CONFIG_SRC to grub,cfg instead of using a default in fai
add more details about live-boot
add NFS v4 entry to /etc/exports, this is a workaround for  #676883
and forces NFS v3 for the nfsroot
remove code for nfs-user-server
remove unused info