Remove upstart wrappers for mysql playbook
Use 127.2.1.$instance address as shrot-localhost
Tweak installing shrot on RedHat, so redhat-lsb is not necessary
Instal schroot package with YUM on RedHat. Use jinja syntax for variables.
Correct owner and modes for files installed by shrot playbook
Some tweaks for base playbook
APT playbooks use environment
APT tasks use environment