Cleaning
Merge branch 'master' of https://github.com/valucifer/ITPMStirocinio

Conflicts:
	Project_ITPMS/build/web/WEB-INF/classes/it/unisa/tirocinio/manager/concrete/ConcretePerson.class
	Project_ITPMS/build/web/WEB-INF/classes/it/unisa/tirocinio/servlet/student/completeTrainingInsertQuestionnaire.class