add mysql-connector to pom.xml
update create.sql
create ItemController Class
add getItems Method
add getItemById Method
add removeItem Method
remove useless files
update mvc-dispatcher-servlet.xml
update CategoryController
update ItemController
add constructor in Item Class
add getter & setter to Category
complite connection of database
add getter & setter to Item
update CategoryDao Class
add getItemById Method
add getItems Method
add addItem Method
add editItem Method
add removeItem Method