new docs
Updated the backlogs
change the database script + some clean-up
change pseudo to username in database
update the code for the change in the database
adding a check on multiple user with same username
change a few things in the database to match up the validation
few change on entities
adding the css to some form and some cleaning
Added the basket servlet
Added an almost working basketServlet and the view. Index is also modified
to test the basketServlet
fixed the problem with persistance : add "joinTransaction"
Merge branch 'master' of https://github.com/kelto/software-project
change on the database
Merge branch 'kelto'

Conflicts:
	java/databaseChecker/UserChecker.java
	java/entity/Basket.java
	java/entity/Bill.java
	java/entity/Brand.java
	java/entity/Command.java
	java/entity/Comment.java
	java/entity/Product.java
	java/entity/Tag.java
	java/entity/User.java
	java/form/Form.java
	java/form/FormUser.java
	java/servlet/CreateUserServlet.java
	java/servlet/ListUserServlet.java