ProductDetails , Category ....
Add About.jsp  fix Home and DetailProduct
Bài của Khoa
fix again
Merge branch 'developer' of https://github.com/anhdv282/AssignmentWPSJ into developer

Conflicts:
	Assignment/src/java/control/CartController.java
	Assignment/web/clientSide/CartPanel.jsp
	Assignment/web/clientSide/MyCart.jsp