server-tools/rz: fix candidate test and paths
server-tools/rz: fix candidate test and paths

shlomif/rhizi,Rhizi/rhizi,yuvadm/rhizi,yuvadm/rhizi,shlomif/rhizi,yuvadm/rhizi,Rhizi/rhizi,tlevine/rhizi,cben/rhizi,cben/rhizi,ozFri/rhizi,cben/rhizi,ozFri/rhizi,cben/rhizi,yuvadm/rhizi,tlevine/rhizi,Rhizi/rhizi,Rhizi/rhizi,shlomif/rhizi,tlevine/rhizi,ozFri/rhizi,shlomif/rhizi,ozFri/rhizi,tlevine/rhizi