control of WikiHelper

ref. [xpWiki レンダラーのサイトワイド Wiki ヘルパーの設定](http://xoops.hypweb.net/modules/xpwiki/6070.html)
ref. [permit break in delegate call chain](https://github.com/xoopscube/legacy/pull/57)
switch mode of "BBCode_wiki_render" by `XCUBE_DELEGATE_CHAIN_BREAK`
HypCommonFunc version 20130130