Changes

Summary

1. Fixed bug from Add Background (details)

Commit 3a30df7e8a3dc3b63bfed86c65342f3e68174d3c by noquintero Fixed bug from Add Background
	web/src/main/java/es/uvigo/ei/sing/sepia/web/jsf/AddBackgroundBean.java (diff)
	web/src/main/webapp/js/background.js (diff)
	web/src/main/resources/es/uvigo/ei/sing/sepia/web/inter/welcome_en.properties (diff)
	web/src/main/resources/es/uvigo/ei/sing/sepia/web/inter/welcome_es.properties (diff)
	web/src/main/webapp/private/backgroundPatient.xhtml (diff)
	web/src/main/webapp/css/style.css (diff)