feature #2989: Move deleting params and options keys to function
feature #2989: Move deleting params and options keys to function

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