if (baseLocation.isFile()) return baseLocation;
	private File findPluginManifest(File baseLocation) {		File pluginManifestLocation = new File(baseLocation, PLUGIN_MANIFEST); //$NON-NLS-1$		if (pluginManifestLocation.isFile())			return pluginManifestLocation;		pluginManifestLocation = new File(baseLocation, FRAGMENT_MANIFEST); //$NON-NLS-1$		if (pluginManifestLocation.isFile())			return pluginManifestLocation;		return null;	}