GDALJP2Metadata::CreateGMLJP2(): use EPSGTreatsAsLatLong() and EPSGTreatsAsNorthingEasting() to determine if axis swapping is needed (#2131)

git-svn-id: https://svn.osgeo.org/gdal/trunk@27447 f0d54148-0727-0410-94bb-9a71ac55c965
Merge branch 'trunk' into trunk_travis_macosx