Changed login  class for UserRepository interface
Added token and its expiration time
CREATED TEST REPOSITORY BY LEO ENTERPRISE
Created dependency
Added exception mapper
Merge branch 'VIktorMockLeo' into database_branch

Conflicts:
	src/main/java/domain/repository/UserRepository.java
	src/main/java/rest/Login.java
	src/main/webapp/WEB-INF/web.xml
	src/test/java/RESTHello/LoginTest.java
Merge remote-tracking branch 'origin/database_branch' into database_branch
Merge remote-tracking branch 'origin/database_branch' into database_branch
Updated exception mapper message. Added temp method for exception testing