added few tests
fixed sort
Merge branch 'develop' into applicantsUI

Conflicts:
	group-manager/src/test/java/com/softserveinc/ita/mvc/impl/MvcGroupTests.java
	group-manager/src/test/java/com/softserveinc/ita/service/impl/ServiceGroupTests.java
Merge pull request #97 from combats/applicantsUI

Applicants ui