Fix to work with loader-utils ^1.1.0 (#792)

fix(query-loader): In case no query is provided, return an empty object. This fixes #727

lib/loader.js

@@ -24,7 +24,7 @@ module.exports = function (source) {
   // The following part renders the tempalte with lodash as aminimalistic loader
   //
   // Get templating options
-  const options = loaderUtils.parseQuery(this.query);
+  const  options = this.query !== '' ? loaderUtils.parseQuery(this.query) : {};
   // Webpack 2 does not allow with() statements, which lodash templates use to unwrap
   // the parameters passed to the compiled template inside the scope. We therefore
   // need to unwrap them ourselves here. This is essentially what lodash does internally