Changes

Summary

1. [sto12-tsk43] Adds unfollow event to service layer (details)

Commit bb0130972d0a91dfcb1d689e5be854df23bdd446 by ifcunharro [sto12-tsk43] Adds unfollow event to service layer
	tests/src/main/resources/datasets/users.xml
	service/src/main/java/es/uvigo/esei/dgss/teama/letta/ejb/UserEJB.java
	service/src/test/java/es/uvigo/esei/dgss/teama/letta/ejb/UserEJBTest.java
	tests/src/main/resources/datasets/user-unfollow-event.xml
	tests/src/main/resources/datasets/users-events-attendees.xml
	tests/src/main/java/es/uvigo/esei/dgss/teama/letta/entities/EventDataset.java