generatedManifest.put(GENERATED_FROM, Long.toString(pluginManifestLocation.lastModified()));
generatedManifest.put(GENERATED_FROM, Long.toString(getTimeStamp(pluginManifestLocation,manifestType)) + ";" + MANIFEST_TYPE_ATTRIBUTE + "=" + manifestType);
	private void generateTimestamp() {		// so it is easy to tell which ones are generated		generatedManifest.put(GENERATED_FROM, Long.toString(pluginManifestLocation.lastModified()));	}