only set sunstone_name on 5.0+ (changes 6549df0)
only set sunstone_name on 5.0+ (changes 6549df0)

this commit wraps the sunstone_name lines (on vm_mad and im_mad) with a
version check so the parameter will only show up if running 5.0 or
higher

this is a change vs earlier commit 6549df0

fasrc/opennebula-puppet-module,fasrc/opennebula-puppet-module,fasrc/opennebula-puppet-module,fasrc/opennebula-puppet-module