rename continue to ocnfirm

Signed-off-by: Pavol Loffay <[email protected]>

Makefile

@@ -134,10 +134,10 @@ docker-images-only:
 
 .PHONY: docker-push
 docker-push:
-	@while [ -z "$$CONTINUE" ]; do \
-		read -r -p "Do you really want to push images to repository \"${DOCKER_NAMESPACE}\"? [y/N] " CONTINUE; \
+	@while [ -z "$$CONFIRM" ]; do \
+		read -r -p "Do you really want to push images to repository \"${DOCKER_NAMESPACE}\"? [y/N] " CONFIRM; \
 	done ; \
-	if [ $$CONTINUE != "y" ] && [ $$CONTINUE != "Y" ]; then \
+	if [ $$CONFIRM != "y" ] && [ $$CONFIRM != "Y" ]; then \
 		echo "Exiting." ; exit 1 ; \
 	fi
 	for component in agent cassandra-schema collector query ; do \