更新Drupal内核，v7.25->v7.26

Signed-off-by: Stephen <stephen.frx@gmail.com>
添加Twitter Bootstrap 3.0主题

Signed-off-by: Stephen <stephen.frx@gmail.com>
在library主题中添加bootstrap、jquery、jquery-ui插件

Signed-off-by: Stephen <stephen.frx@gmail.com>