Installs bsd-cloudinit and transforms VM into instance template.
This script will install bsd-cloudinit and configure the system, after running this script, system settings will be changed and some data (such as SSH host key) will be destroyed, this is NOT a normal VM anymore , you should shut down this instance and upload its disk image as an instance template.
- Implement option for interacting with pkgng. Currently, we will have pkgng do all the staff automatically.