Refactoring of the business layer; Removed Basic-Auth web service

...naf/ia2/gms/controller/BasicAuthWebServiceController.java

...ain/java/it/inaf/ia2/gms/controller/GroupsController.java

.../it/inaf/ia2/gms/controller/GroupsTabResponseBuilder.java

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

...in/java/it/inaf/ia2/gms/controller/MembersController.java

...ava/it/inaf/ia2/gms/controller/PermissionsController.java

gms/src/main/java/it/inaf/ia2/gms/manager/GroupsManager.java

.../main/java/it/inaf/ia2/gms/manager/MembershipManager.java

...main/java/it/inaf/ia2/gms/manager/PermissionsManager.java

...main/java/it/inaf/ia2/gms/manager/UserAwareComponent.java

...ava/it/inaf/ia2/gms/model/request/AddMemberWsRequest.java

...it/inaf/ia2/gms/model/request/AddPermissionWsRequest.java

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

gms/src/main/java/it/inaf/ia2/gms/service/GroupsService.java

...main/java/it/inaf/ia2/gms/service/PermissionsService.java

gms/src/main/java/it/inaf/ia2/gms/service/SearchService.java

...ia2/gms/controller/BasicAuthWebServiceControllerTest.java

...java/it/inaf/ia2/gms/controller/GroupsControllerTest.java

...inaf/ia2/gms/controller/GroupsTabResponseBuilderTest.java

.../inaf/ia2/gms/controller/JWTWebServiceControllerTest.java