Implement RFC 43 : GDALMajorObject::GetMetadataDomainList(). Add -listmdd and -mdd all options to gdalinfo (#5275)

git-svn-id: https://svn.osgeo.org/gdal/trunk@26569 f0d54148-0727-0410-94bb-9a71ac55c965
Merge branch 'trunk' into trunk_travis_macosx