SportService, UserPreferencesService, CommandTicketService and
SectionService tests are done.
Added tests and now should work

Merge branch 'master' of
https://github.com/Archi2013/ulaval-sports-tickets.git

Conflicts:
	src/test/java/ca/ulaval/glo4003/domain/services/UserPreferencesServiceTest.java
	src/test/java/ca/ulaval/glo4003/services/SportServiceTest.java