RFC 49: Add support for curve geometries in OGR core, and GML, NAS, PostgreSQL, PGDUMP, GPKG, SQLite, VRT drivers

git-svn-id: https://svn.osgeo.org/gdal/trunk@27959 f0d54148-0727-0410-94bb-9a71ac55c965
set svn:keywords

git-svn-id: https://svn.osgeo.org/gdal/trunk@27960 f0d54148-0727-0410-94bb-9a71ac55c965
Fix Windows compilation

git-svn-id: https://svn.osgeo.org/gdal/trunk@27961 f0d54148-0727-0410-94bb-9a71ac55c965
Merge branch 'trunk' into trunk_travis_macosx