changed the twitter link to open in a new window
changed the twitter link to open in a new window

--HG--
branch : bootstrap-2.0.1

theblacksmith/yii-bootstrap,66ru/yii-bootstrap,motin/yii-bootstrap,motin/yii-bootstrap,66ru/yii-bootstrap,theblacksmith/yii-bootstrap,motin/yii-bootstrap,theblacksmith/yii-bootstrap,66ru/yii-bootstrap,theblacksmith/yii-bootstrap