imgbuilder.preseed: custom_early and late can now run on normal installations too; added to defaults
added cgroup-bin to requisites of libvirt (human interaction component)
typo
added default Vagrantfile to defaults of imgbuilder
deleted old preseed files, packer will generate its ubuntu preseed from imgbuilder.preeseed
more generalization in packer, packer now generates ubuntu from imgbuilder.preseed
+1 to last commit
update preseed.lib to make paths adjustable
prepare with additional targetdir