server/rz_server: default root_path to parent of rz_server directory
server/rz_server: default root_path to parent of rz_server directory

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