Changes

Summary

1. Adds method and buttons in the view for assign and unassign patients (details)

Commit 8ba931ff9dc6477101e70eb760d6ae90323f1d44 by noquintero Adds method and buttons in the view for assign and unassign patients
	web/src/main/java/es/uvigo/ei/sing/sepia/web/jsf/AddBackgroundBean.java
	service/src/main/java/es/uvigo/ei/sing/sepia/service/UserEJB.java
	web/src/main/java/es/uvigo/ei/sing/sepia/web/jsf/NotificationsBean.java
	web/src/main/webapp/private/addBackground.xhtml
	web/src/main/webapp/private/patientDetails.xhtml
	domain/src/main/java/es/uvigo/ei/sing/sepia/domain/Patient.java
	web/src/main/java/es/uvigo/ei/sing/sepia/web/jsf/PatientDetailsBean.java
	service/src/main/java/es/uvigo/ei/sing/sepia/service/PatientEJB.java
	web/src/main/resources/es/uvigo/ei/sing/sepia/web/inter/welcome_es.properties
	web/src/main/webapp/index.xhtml