Make build system work with ruby 2.0 (cherry picked from commit c885df333df4194a23ed9fa4a1c16a1ecf75b56e)
Make build system work with ruby 2.0
(cherry picked from commit c885df333df4194a23ed9fa4a1c16a1ecf75b56e)

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