mdata-get does not continue if the socket/serial device is not accessible
add initial support for FreeBSD9
fix some glitches and add network configuration for new nics
remove known_hosts on cleanup
changed tools installation to be usable in the installer chroot
let the install script select the current architecture for package installation
added a FreeBSD block to the readme
mdata-get returns an error string if root_authorized_keys is not set

if root_authorized_keys is not set in metadata the error string should be ignored
include freebsd tools/scripts while building archives and iso
extend supported version to 9.x
update of the virtio kmod url
change the setPassword function to ignore invalid data returned by mdata-get and retry getting correct data three times
Merge commit '7c45c260f4020ac24be5e751717f183761ca67db'