feature #1570: execute a proc before each command call
feature #1570: execute a proc before each command call

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