Further developement of the Feature class
renewed Item.java
User constructor is hopefully working.
User class refactoring

Removed the use of resultSet as member.
Change the name of set* function for init* function
Merge branch 'master' of https://github.com/steelstyle/ai-project into steelstyle-master

Conflicts:
	src/User.java
Merge branch 'master' of https://github.com/wensby/ai-project

Conflicts:
	bin/Item.class
	src/User.java