Change license to GNU Affero GPL v3

src/main/java/no/nibio/vips/logic/VIPSLogicApplication.java

...o/nibio/vips/logic/authenticate/AuthenticationFilter.java

...o/nibio/vips/logic/authenticate/OpenIdAuthAttributes.java

.../vips/logic/authenticate/PasswordValidationException.java

...vips/logic/controller/servlet/CropCategoryController.java

...c/controller/servlet/ForecastConfigurationController.java

...io/vips/logic/controller/servlet/FrontpageController.java

...nibio/vips/logic/controller/servlet/HttpErrorServlet.java

.../nibio/vips/logic/controller/servlet/LoginController.java

...ibio/vips/logic/controller/servlet/MessageController.java

...ontroller/servlet/NotificationSubscriptionController.java

.../vips/logic/controller/servlet/ObservationController.java

...bio/vips/logic/controller/servlet/OrganismController.java

...vips/logic/controller/servlet/OrganizationController.java

...logic/controller/servlet/OrganizationGroupController.java

...s/logic/controller/servlet/PointOfInterestController.java

...o/vips/logic/controller/servlet/SchedulingController.java

...o/nibio/vips/logic/controller/servlet/UserController.java

...io/vips/logic/controller/session/DeleteUserException.java

.../no/nibio/vips/logic/controller/session/ForecastBean.java