quotes in quotes -> escape
bash is needed for the build_freebsd_iso script
autoconfigure networking for the interim VM
get domain name resolving in the interim VM
network is provided by the interim VM

no need to start a service in the chroot env
switch to the ..disc1.iso to save some bandwidth
do not switch directories for the iso download

If we switch to a different directory the script can't find the installerconfig file anymore and me-freebsd might be cloned into a different root as well.
install additional packages
integrate me-freebsd

to integrate the supportive tools in me-freebsd we build a separate distribution file that the bsdinstall process will install for us.
Merge pull request #1 from MerlinDMC/unstable

Introduce networking for the interim VM and fix some smaller issues