Merge branch 'master' into franco

gms/pom.xml

...n/java/it/inaf/ia2/gms/controller/HomePageController.java

...naf/ia2/gms/controller/InvitedRegistrationController.java

...a/it/inaf/ia2/gms/controller/JWTWebServiceController.java

...a/it/inaf/ia2/gms/manager/InvitedRegistrationManager.java

...a/it/inaf/ia2/gms/persistence/InvitedRegistrationDAO.java

...src/main/java/it/inaf/ia2/gms/persistence/LoggingDAO.java

gms/src/main/java/it/inaf/ia2/gms/rap/RapClient.java

gms/src/main/resources/application.properties

.../inaf/ia2/gms/manager/InvitedRegistrationManagerTest.java

.../inaf/ia2/gms/persistence/InvitedRegistrationDAOTest.java

gms/src/test/java/it/inaf/ia2/gms/rap/RapClientTest.java