added python-setuptools as dependency
added python-setuptools as dependency

CentOS7 needs python-setuptools for /usr/bin/ceph-init-detect to work correctly
guits/ceph-ansible,jtaleric/ceph-ansible,albertomurillo/ceph-ansible,verdurin/ceph-ansible-1,guits/ceph-ansible,albertomurillo/ceph-ansible,dang/ceph-ansible,jsaintrocc/ceph-ansible,WingkaiHo/ceph-ansible,jfcoz/ceph-ansible,WingkaiHo/ceph-ansible,jtaleric/ceph-ansible,mcsage/ceph-ansible,dang/ceph-ansible,font/ceph-ansible,jfcoz/ceph-ansible,verdurin/ceph-ansible-1,lejonet/ansible-ceph-common,bengland2/ceph-ansible,rootfs/ceph-ansible,travmi/ceph-ansible,rootfs/ceph-ansible,fgal/ceph-ansible,bengland2/ceph-ansible,albertomurillo/ceph-ansible,ceph/ceph-ansible,WingkaiHo/ceph-ansible,ceph/ceph-ansible,PiotrProkop/ceph-ansible,travmi/ceph-ansible,font/ceph-ansible,PiotrProkop/ceph-ansible,fgal/ceph-ansible,mcsage/ceph-ansible,jsaintrocc/ceph-ansible