TST: fix matplotlib to 1.5.3 on appveyor (#409)
TST: fix matplotlib to 1.5.3 on appveyor (#409)

Our tests are still failing for the newest matplotlib 2.0 due to the style changes, so until that is fixed, pin matplotlib to 1.5 on appveyor.
jorisvandenbossche/geopandas,ozak/geopandas,jorisvandenbossche/geopandas,micahcochran/geopandas,jdmcbr/geopandas,micahcochran/geopandas,geopandas/geopandas,ozak/geopandas,jorisvandenbossche/geopandas,geopandas/geopandas,jdmcbr/geopandas,geopandas/geopandas