Ajout calendrier (sans time slot pour le moment)
Merge branch 'dev' of
git@github.com:soutenanceplanner/soutenanceplanner.git into dev

Conflicts:
	src/main/java/com/angers/m2sili/soutenance/model/Calendar.java
	src/main/java/com/angers/m2sili/soutenance/model/Formation.java
	src/main/java/com/angers/m2sili/soutenance/model/Oral.java
	src/main/resources/db/mysql/populateDB.sql