Changes

Summary

1. [Cover up] Refactorize UserEJB to up test cover (details)
2. [Ammendment] Fix warnings javadoc found (details)

Commit b533167ffcc34928e8fb128e7dedd99a62d4b79d by ifcunharro [Cover up] Refactorize UserEJB to up test cover
	service/src/main/java/es/uvigo/esei/dgss/teama/letta/ejb/UserEJB.java (diff)
	service/src/test/java/es/uvigo/esei/dgss/teama/letta/ejb/UserEJBTest.java (diff)
Commit 8f7d20609a3eab89459c1d9b047b3d392c4055d8 by ifcunharro [Ammendment] Fix warnings javadoc found
	rest/src/main/java/es/uvigo/esei/dgss/teama/letta/rest/EventResource.java (diff)
	service/src/main/java/es/uvigo/esei/dgss/teama/letta/ejb/UserEJB.java (diff)
	service/src/main/java/es/uvigo/esei/dgss/teama/letta/ejb/EventEJB.java (diff)