[proxyUrl] pass URL parameters to proxied URL

Addresses issue #1158

Passes query parameters on to proxyUrl proxied URL

remove the url parameter before passing

Naming convention for variables

Re-order code to reuse variable

app.js

@@ -67,10 +67,14 @@
     });
 
     app.use('/proxyUrl', function proxyRequest(req, res, next) {
-        console.log('Proxying request to: ', req.query.url);
+        var targetUrl = req.query.url;
+        var queryParameters = req.query;
+        console.log('Proxying request to: ', targetUrl);
+        delete queryParameters['url'];
         req.pipe(request({
-            url: req.query.url,
-            strictSSL: false
+            url: targetUrl,
+            strictSSL: false,
+            qs: queryParameters
         }).on('error', next)).pipe(res);
     });