Added LICENSE

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

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

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

gms/src/main/java/it/inaf/ia2/gms/model/GroupBreadcrumb.java

gms/src/main/java/it/inaf/ia2/gms/model/GroupNode.java

gms/src/main/java/it/inaf/ia2/gms/model/GroupPermission.java

gms/src/main/java/it/inaf/ia2/gms/model/Permission.java

...rc/main/java/it/inaf/ia2/gms/model/RapUserPermission.java

gms/src/main/java/it/inaf/ia2/gms/model/UserPermission.java

...n/java/it/inaf/ia2/gms/model/request/AddGroupRequest.java

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

...a/it/inaf/ia2/gms/model/request/AddPermissionRequest.java

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

...a/it/inaf/ia2/gms/model/request/GenericSearchRequest.java

...ain/java/it/inaf/ia2/gms/model/request/GroupsRequest.java

...ain/java/it/inaf/ia2/gms/model/request/MemberRequest.java

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