Update ResourceBundle.java

Deleted useless "import org.esupportail.commons.utils.BeanUtils;"
Update MultiplePropertiesResourceBundle.java

Call jar.close()
Update ehcache.xml

Add XSD
Update ehcache.xml

Move <defaultCache> above <cache>
Update errordisplay.jsp
Update errordisplay.jsp
Merge pull request #4 from gcolbert/master

Fixed; Eclipse warnings