Modification persistence.xml ajout reconnexion BDD
	new file:   commun/commun-webapp/src/main/webapp/po/en_GB.mo
	new file:   commun/commun-webapp/src/main/webapp/po/en_GB.po
	modified:   commun/fr.mydevworld.commun.model/src/main/java/fr/mydevworld/action/administration/InstallationAction.java
	modified:   commun/fr.mydevworld.commun.model/src/main/resources/META-INF/persistence.xml