Add EPSGTreatsAsNorthingEasting() to deal with CRS with non-GIS friendly northing/easting axis order similarly as what was done with lat/long geographic SRS, and automatically do coord swapping in GML/WFS drivers in that case (#4329)

git-svn-id: https://svn.osgeo.org/gdal/trunk@25727 f0d54148-0727-0410-94bb-9a71ac55c965