Merge branch 'master' into sara
Small code fixes
Merge branch 'linnea'
Merge branch 'master' into sara
Deleted id from User and AbstractEntity constructor
Added test package and test for UserHandler
Added more test methods
Merge branch 'sara' into oskar

Conflicts:
	foodinventory/src/main/java/se/chalmers/foodinventory/product/ProductHandler.java
	foodinventory/src/main/java/se/chalmers/foodinventory/user/User.java
	foodinventory/src/main/java/se/chalmers/foodinventory/user/UserHandler.java
	foodinventory/src/main/java/se/chalmers/foodinventory/utils/AbstractEntity.java