Quanlyphanquyen module
Merge branch 'develop' of http://github.com/point-of-sales/pos-project into develop
Merge branch 'develop' of http://github.com/point-of-sales/pos-project into develop
a
Merge branch 'develop' of http://github.com/point-of-sales/pos-project into develop
fix bug in saveRelated mothod of CPOSActiveRecord