docs: function componentNames(workdir) {
  	workdir = workdir || process.cwd();
  	try {
  		var bowerJson = require(path.join(workdir, 'bower.json'));
  		return _(Object.keys(bowerJson.dependencies || {}))
  			.union(Object.keys(bowerJson.devDependencies || {}))
  			.value();
  	} catch (ex) {
  		// not found bower
  		//console.warn(ex.message);
  		return [];
  	}
  }