disable WARN_ALL macros, they make the autogen.sh script fail on CentOS,
see https://github.com/openstreetmap/osm2pgsql/issues/13


git-svn-id: http://svn.openstreetmap.org/applications/utils/export/osm2pgsql@29254 b9d5c4c9-76e1-0310-9c85-f3177eceb1e4
remove special treatment for mountain passes,
save maxspeed instead of speed (fixes trac ticket #4349)


git-svn-id: http://svn.openstreetmap.org/applications/utils/export/osm2pgsql@29255 b9d5c4c9-76e1-0310-9c85-f3177eceb1e4