Reverted publisher.publish_object behaviour to write result even if even if req.method == 'HEAD'. Ref MODPYTHON-105
Reverted publisher.publish_object behaviour to write result even if
even if req.method == 'HEAD'.
Ref MODPYTHON-105


runt18/mod_python,dacaiguoguo/mod_python,carlmcdade/mod_python,grisha/mod_python,grisha/mod_python,grisha/mod_python,dacaiguoguo/mod_python,dacaiguoguo/mod_python,runt18/mod_python,carlmcdade/mod_python,runt18/mod_python,carlmcdade/mod_python