LIBKML: add dataset and layer creation options LISTSTYLE_ICON_HREF and LISTSTYLE_TYPE (ATC 37, ATC 64)

git-svn-id: https://svn.osgeo.org/gdal/trunk@27054 f0d54148-0727-0410-94bb-9a71ac55c965
Merge branch 'trunk' into trunk_with_coverage