Extracts constants into a enum.
Adds JUnit tests and refactors.
Merge branches 'master' and 'testAndRefactoringsBranch' of https://github.com/Giymo11/OrderManager into testAndRefactoringsBranch
Reverts the info.xhtml because Sarah checked in a faulty one.
Merge branch 'master' into testAndRefactoringsBranch

Conflicts:
	web/info.xhtml
Adds the files to the repository, so that those who don't have the latest versions can update.