Upgrade EPSG database to v8.4 (#5462), and add 'hack' in morphFromESRI() related to Peru96/SIRGAS-Chile

git-svn-id: https://svn.osgeo.org/gdal/trunk@27322 f0d54148-0727-0410-94bb-9a71ac55c965
Merge branch 'trunk' into trunk_travis_macosx