Fix failures in ogr_vrt.py and make OGRWarpedLayer consistant with RFC41

git-svn-id: https://svn.osgeo.org/gdal/trunk/gdal@26449 f0d54148-0727-0410-94bb-9a71ac55c965
Sync ogrinfo.py with ogrinfo (RFC41)

git-svn-id: https://svn.osgeo.org/gdal/trunk/gdal@26450 f0d54148-0727-0410-94bb-9a71ac55c965