refacter onevnet provider to read new vnet datastructure
refacter onevnet provider to read new vnet datastructure

fasrc/opennebula-puppet-module,endocode/opennebula-puppet-module,epost-dev/opennebula-puppet-module,gerald1248/opennebula-puppet-module,endocode/opennebula-puppet-module,fasrc/opennebula-puppet-module,tuxmea/opennebula-puppet-module,rwaffen/opennebula-puppet-module,fasrc/opennebula-puppet-module,gerald1248/opennebula-puppet-module,gerald1248/opennebula-puppet-module,mattthias/opennebula-puppet-module,epost-dev/opennebula-puppet-module,pdrakeweb/opennebula-puppet-module,mattthias/opennebula-puppet-module,mattthias/opennebula-puppet-module,endocode/opennebula-puppet-module,mattthias/opennebula-puppet-module,pdrakeweb/opennebula-puppet-module,tuxmea/opennebula-puppet-module,pdrakeweb/opennebula-puppet-module,tuxmea/opennebula-puppet-module,epost-dev/opennebula-puppet-module,arnetogo/opennebula-puppet-module,arnetogo/opennebula-puppet-module,rwaffen/opennebula-puppet-module,rwaffen/opennebula-puppet-module,gerald1248/opennebula-puppet-module,fasrc/opennebula-puppet-module,arnetogo/opennebula-puppet-module,arnetogo/opennebula-puppet-module,epost-dev/opennebula-puppet-module,rwaffen/opennebula-puppet-module,endocode/opennebula-puppet-module,tuxmea/opennebula-puppet-module,pdrakeweb/opennebula-puppet-module