Run through fixes

These fixes help to run the code though with the latest MySQL merging in some of the recent master fixes. Otherwise, other run through issues for automated_install.sh fixed.
This is used for the hosts file; thought being to get all nodes, we should return all nodes in this environment. Perhaps we should look for `role:Basic` but we are only using `hostname` which is Ohai provided.

Other users of this are for Ceph (`reap-ceph-disks-from-dead-servers`) and Nova (`reap-dead-servers-from-nova`) recipes removing stray OSD's and PowerDNS creating A records for all hosts. These seem find to use all servers in the Chef environment and not only servers running BCPC* roles.