Spectroscopy of quadrupole and octupole states in rare-earth nuclei from a Gogny force

K.N. acknowledges the support by the Marie Curie Actions grant within the Seventh Framework Program of the European Commission under Grant No. PIEF-GA-2012-327398. The work of L.M.R. is supported in part by Spanish MINECO Grants No. FPA2012-34694 and No. FIS2012-34479 and by the Consolider-Ingenio 2010 program MULTIDARK Grant No. CSD2009-00064