add dvd detail page
Merge branch 'master' of https://github.com/tinhnghiahoi/projectEJB

Conflicts:
	DVDStore/src/java/controller/ControllerServlet.java
Convert if statement to switch
add action on addToCartFromDVD button
Merge branch 'master' of https://github.com/tinhnghiahoi/projectEJB
Merge branch 'master' of https://github.com/tinhnghiahoi/projectEJB
Merge branch 'master' of https://github.com/tinhnghiahoi/projectEJB
add action on addToCartFromDVD button
Merge branch 'master' of https://github.com/tinhnghiahoi/projectEJB

Conflicts:
	DVDStore/src/java/controller/ControllerServlet.java
modify dvd page