Add a section about rio-edit-info to CLI docs.
Add a section about rio-edit-info to CLI docs.

perrygeo/rasterio,clembou/rasterio,johanvdw/rasterio,youngpm/rasterio,clembou/rasterio,kapadia/rasterio,kapadia/rasterio,perrygeo/rasterio,perrygeo/rasterio,brendan-ward/rasterio,clembou/rasterio,youngpm/rasterio,kapadia/rasterio,njwilson23/rasterio,johanvdw/rasterio,njwilson23/rasterio,brendan-ward/rasterio,youngpm/rasterio,njwilson23/rasterio,johanvdw/rasterio,brendan-ward/rasterio