added text-sm body checkbox in demo.js
added text-sm body checkbox in demo.js

oyjt/AdminLTE,oyjt/AdminLTE,almasaeed2010/AdminLTE,slachiewicz/AdminLTE,slachiewicz/AdminLTE,garrettwong/AdminLTE,almasaeed2010/AdminLTE,oyjt/AdminLTE,garrettwong/AdminLTE