adds convenience plotting method back to Map
adds convenience plotting method back to Map

albireox/marvin,sdss/marvin,bretthandrews/marvin,albireox/marvin,sdss/marvin,albireox/marvin,sdss/marvin,bretthandrews/marvin,sdss/marvin,bretthandrews/marvin,bretthandrews/marvin,albireox/marvin