public File getHomeScriptTemplateDirectory() {
		File scriptTemplateDirectory = home.getScriptTemplateDirectory();
		if (!scriptTemplateDirectory.exists()) {
			copyScriptTemplates();
		}
		return scriptTemplateDirectory;
	}
Copy the default files and create default directories to ${NGRINDER_HOME}.

@throws IOException occurs when there is no such a files.
ngrinder-controller/src/main/java/org/ngrinder/infra/config/Config.java