- use SMOOTH flag for edges (removed sharp flag and inverted), gives us an extra flag slot available. - rename BM_edge_is_nonmanifold --> BM_edge_is_manifold and invert result, BM_vert_is_nonmanifold too.
- use SMOOTH flag for edges (removed sharp flag and inverted), gives us an extra flag slot available. - rename BM_edge_is_nonmanifold --> BM_edge_is_manifold and invert result, BM_vert_is_nonmanifold too.