Modified paginator
Added getCount to EntityWithIdDao and tests to BaseEntityWithIdDaoIntegrationTest
Added getCount to InterviewDao, adde get count methods to InterviewService and fixed tests in InterviewServiceUnitTest
Fixed links beetwen profile and main pages. Added link to profile from main page. Added main link to header.
Added paginator.jsp and PaginateCommand. Included paginator to InterviewResource. Changed InterviewResource to work with paginator.