GTiff: Foot_Clarke and Link_Clarke entries adjusted. (merge from 1.8-esri r25745)

git-svn-id: https://svn.osgeo.org/gdal/trunk/gdal@25773 f0d54148-0727-0410-94bb-9a71ac55c965
BAG: Include compression method in metadata. (adatpted from 1.8-esri r25748)

git-svn-id: https://svn.osgeo.org/gdal/trunk/gdal@25774 f0d54148-0727-0410-94bb-9a71ac55c965