Rename default docker image to kube-arangodb

Author: ewoutp

Makefile

@@ -48,10 +48,10 @@ ifndef DEPLOYMENTNAMESPACE
 endif
 
 ifndef OPERATORIMAGE
-	OPERATORIMAGE := $(DOCKERNAMESPACE)/arangodb-operator$(IMAGESUFFIX)
+	OPERATORIMAGE := $(DOCKERNAMESPACE)/kube-arangodb$(IMAGESUFFIX)
 endif
 ifndef TESTIMAGE
-	TESTIMAGE := $(DOCKERNAMESPACE)/arangodb-operator-test$(IMAGESUFFIX)
+	TESTIMAGE := $(DOCKERNAMESPACE)/kube-arangodb-test$(IMAGESUFFIX)
 endif
 ifndef ENTERPRISEIMAGE
 	ENTERPRISEIMAGE := $(DEFAULTENTERPRISEIMAGE)