Beginning of auth with spring security
Authentication for candidates
Merge branch 'auth-module-candidat' into module-candidat

Conflicts:
	esup-opi-web-candidat/src/main/java/org/esupportail/opi/web/candidat/config/ControllerConfig.java
	esup-opi-web-candidat/src/main/java/org/esupportail/opi/web/candidat/controllers/CandidaturesController.java
	esup-opi-web-candidat/src/main/webapp/WEB-INF/web.xml