* mv setappkey to setoauth.
 * mv callback to oauthcallback.
 * get information of sina for share plugin.
 * use the open oauth menu.
 * adjust the setOauth function.
 * adjust the weibo Oauth.
 + add qq Oauth.
 * get the information of open oauth from config.
 * import js for sina plugin and qq plugin.
 * add js for ajaxform.
Merge branch 'master' of github.com:xirang/chanzhieps

Conflicts:
	system/module/common/lang/en.php
	system/module/common/lang/zh-cn.php
	system/module/site/lang/en.php
	system/module/site/lang/zh-cn.php
Merge branch 'master' of github.com:xirang/chanzhieps