MAJ-1096: update copyright year
Merge branch 'master' into streulma-master

Conflicts:
	graphics/src/main/java/org/geomajas/graphics/client/controller/CreateIconChoicePopup.java
	graphics/src/main/java/org/geomajas/graphics/client/controller/UpdateHandlerGraphicsController.java
	graphics/src/main/java/org/geomajas/graphics/client/resource/i18n/GraphicsMessages.java