add applicant changes
exception((
error
error
fd
errors
write tests
add tests
tests added
Merge remote-tracking branch 'origin/feature/mail-manager/QueueMailer' into feature/ApplicantsNotification

Conflicts:
	entity/src/main/java/com/softserveinc/ita/entity/Applicant.java
	entity/src/main/java/com/softserveinc/ita/entity/Appointment.java
	entity/src/main/java/com/softserveinc/ita/entity/Role.java
	entity/src/main/java/com/softserveinc/ita/entity/User.java
	interview-sheduller/pom.xml
	pom.xml
merged with the mail service