feature #457: fixes for host hook on error
feature #457: fixes for host hook on error

OpenNebula/one,OpenNebula/one,abelCoronado93/one,baby-gnu/one,unistra/one,goberle/one,baby-gnu/one,abelCoronado93/one,atodorov-storpool/one,cloudweavers/one,dberzano/opennebula-torino,juanmont/one,OpenNebula/one,OpenNebula/one,abelCoronado93/one,tuxmea/one,unistra/one,ggalancs/one,Terradue/one,fasrc/one,larsks/opennebula-lks,atodorov-storpool/one,ohamada/one,spirit03/one,alvarosimon/one,abelCoronado93/one,fasrc/one,ggalancs/one,atodorov-storpool/one,ohamada/one,fasrc/one,spirit03/one,Terradue/one,OpenNebula/one,juanmont/one,alvarosimon/one,mattthias/one,OpenNebula/one,ohamada/one,Terradue/one,fasrc/one,juanmont/one,juanmont/one,dberzano/opennebula-torino,dberzano/opennebula-torino,abelCoronado93/one,tuxmea/one,juanmont/one,OpenNebula/one,cloudweavers/one,goberle/one,baby-gnu/one,cloudweavers/one,ohamada/one,larsks/opennebula-lks,goberle/one,alvarosimon/one,fasrc/one,unistra/one,alvarosimon/one,Terradue/one,mattthias/one,atodorov-storpool/one,baby-gnu/one,alvarosimon/one,unistra/one,baby-gnu/one,tuxmea/one,spirit03/one,mattthias/one,hsanjuan/one,atodorov-storpool/one,cloudweavers/one,tuxmea/one,goberle/one,goberle/one,goberle/one,ggalancs/one,hsanjuan/one,alvarosimon/one,larsks/opennebula-lks,mattthias/one,ggalancs/one,OpenNebula/one,tuxmea/one,goberle/one,Terradue/one,mattthias/one,cloudweavers/one,goberle/one,alvarosimon/one,larsks/opennebula-lks,alvarosimon/one,larsks/opennebula-lks,unistra/one,tuxmea/one,hsanjuan/one,larsks/opennebula-lks,hsanjuan/one,ggalancs/one,dberzano/opennebula-torino,dberzano/opennebula-torino,baby-gnu/one,fasrc/one,mattthias/one,atodorov-storpool/one,hsanjuan/one,spirit03/one,ggalancs/one,cloudweavers/one,cloudweavers/one,dberzano/opennebula-torino,larsks/opennebula-lks,ohamada/one,Terradue/one,unistra/one,baby-gnu/one,mattthias/one,Terradue/one,Terradue/one,fasrc/one,fasrc/one,tuxmea/one,mattthias/one,abelCoronado93/one,juanmont/one,spirit03/one,ggalancs/one,ohamada/one,OpenNebula/one,spirit03/one,hsanjuan/one,tuxmea/one,ohamada/one,juanmont/one,unistra/one,hsanjuan/one,abelCoronado93/one,atodorov-storpool/one,cloudweavers/one,hsanjuan/one,baby-gnu/one,ggalancs/one,spirit03/one,abelCoronado93/one,spirit03/one,dberzano/opennebula-torino,ohamada/one,unistra/one,atodorov-storpool/one,atodorov-storpool/one,juanmont/one,juanmont/one