change play version to 2.1.2
add Product model
add Category model
add Order model
add Supply model
modify Supply model
-add id,date,account
add Inventory model
modify Category model
- Create category table
- Add findAll and create method
modify Product model
- Create product table
- Add create and findAll method

change Category create method
modify Order table
- Add OrderQuantity table
- Move some column to OrderQuantity
modify Order and OrderQuantity model
- Create table
- Add java.util.Date <> java.sql.Date converter
modify Inventory model
- Create inventory table
modify Supply model
- Create supply and supply_quantity table
modify Account query
--Delete createFindBy(...) method
--Use slick method(Query(...) or for{...}yield...)
add find method to Order and OrderQuantity
add find method to Supply and SupplyQuantity
change "implicit session" to "implicit s:Session"
add Supply routing
- Add URI(refer to Ruby on Rails)
- Add method to Controller
modify routing
- Add new&edit URI&Controller
modify duplicate foreignKey name