Adding a few lines of doc to the new target

Makefile

@@ -40,6 +40,9 @@ help:
 	@echo "publish"
 	@echo "  Publish the dist/cakephp-VERSION.zip to github."
 	@echo ""
+	@echo "components"
+	@echo "  Split each of the public namespaces into separate repos and push the to github."
+	@echo ""
 	@echo "test"
 	@echo "  Run the tests for CakePHP."
 	@echo ""