Added a way to reset passwords && check if there is a password.
Merge branch 'master' of ssh://git@github.com/d14123081/team4.git
Merge branch 'master' of ssh://git@github.com/d14123081/team4.git
Merge branch 'master' of ssh://git@github.com/d14123081/team4.git
Split EncryptionModule into its own separate class. Copied unit tests
that existed on my other branch.
Added a unit test class for Invoice.java, changed
Invoice.calculateCost() to use Product.getPrice() instead of
Product.getCost().
Merge branch 'master' of ssh://git@github.com/d14123081/team4.git