Added check to see if GI is already installed
Changed mklabel
Fixed bug in when-condition
Dynamically pick up hosts from inventory. Added parameter configure_cluster
Added support for not adding -MGMDB to cluster
Added parameter configure_cluster & conditional to template
Added check to see if DB is already installed (not completely implemented)
Altered when condition to use configure_cluster
Debug crap
Added/removed parameters dealing with cluster nodes. Updated parameters file