GRANT select on raster_columns and other raster metadata tables to public

[strk]

We do this already for geography_columns, geometry_columns and spatial_ref_sys so I don't see why we shouldn't do for raster metadata tables as well

[strk]

Related ticket (topology): #4575

[robe]

Weird I thought we had done this already.

[robe]

raster_columns is fine to make public readable because now it's a view like geometry_columns/geography_columns

so I think it has the same settings as geometry/geography in that tables a user doesn't have rights don't get listed in the view.

[strk]

Oops, we did already: raster/rt_pg/rtpostgis.sql.in:9233:GRANT SELECT ON TABLE raster_columns TO public; raster/rt_pg/rtpostgis.sql.in:9234:GRANT SELECT ON TABLE raster_overviews TO public;