support configuration in main block
support configuration in main block

git-svn-id: a07f7d88e373d9a364105db307280e9530a4dc53@216 7ef3bcf2-fb9a-444a-897f-2debf83a3c19

changking/waf-nginx-module,hnlq715/waf-nginx-module,changking/waf-nginx-module,changking/waf-nginx-module,sdgdsffdsfff/waf-nginx-module,sdgdsffdsfff/waf-nginx-module,sdgdsffdsfff/waf-nginx-module,hnlq715/waf-nginx-module,hnlq715/waf-nginx-module