finish the third open ways to login my blog include Weibo and
	Tencent:
	new file:   common/models/globals.php
	modified:   frontend/config/main.php
	modified:   frontend/controllers/KblogController.php
	modified:   frontend/themes/default/views/kblog/login.php
	modified:   frontend/themes/default/views/layouts/defaultLayout.php
	modified:   frontend/web/index.php
	modified:   vendor/twbs/bootstrap/dist/css/bootstrap.css
	new file:   vendor/twbs/bootstrap/dist/css/bootstrap_back.css
	modified:   vendor/yiisoft/yii2-authclient/AuthAction.php
	modified:   vendor/yiisoft/yii2-authclient/BaseOAuth.php
	modified:   vendor/yiisoft/yii2-authclient/OAuth2.php
	modified:   vendor/yiisoft/yii2-authclient/clients/Tencent.php
	new file:   vendor/yiisoft/yii2-authclient/clients/Weibo.php
	modified:   vendor/yiisoft/yii2/base/Application.php
	modified:   vendor/yiisoft/yii2/base/Widget.php