GEOS-6402: workaround for dxf extension to handle
parsing of LAYERS format_option as List triggered
by WMS GetStyles parser
Merge pull request #633 from mbarto/geos_6402_dxf_format_options

GEOS-6402: workaround for dxf extension to handle parsing of LAYERS format_option as List triggered by WMS GetStyles parser
Merge branch 'master' of git://github.com/geoserver/geoserver