added text-align center to widget-user-header
added text-align center to widget-user-header

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