feature #2746: Fix add provider dialog
feature #2746: Fix add provider dialog

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