Added database facade. Added a stylesheet from the exercises and change
Programmers: Tobias
Added courrse entity and set up relations with RoleSchool entities. Fixed a save bug in the index page. Added Program java file for "sysout testing".
Programmers: Tobias
Started Working on the HandlerPersonTest

Extreme Programming: Martin Gergov, Teodor Dumitru
Merge branch 'Database' into RestServerBranch
Added 3 tests for the getPersons method.

Extreme Programming: Martin Gergov, Teodor Dumitru
Added more testing for the mock facade.

Extreme Programming: Martin Gergov, Teodor Dumitru