made some changes to the entity
style.css file edited, some unused libraries removed from header_footer.ftl
Merge branch 'develop' into InterviewScheduler/InterviewFactoryEntity

Conflicts:
	entity/src/main/java/com/softserveinc/ita/entity/Applicant.java
	entity/src/main/java/com/softserveinc/ita/entity/User.java
added http-service integration