In sails.request(), try to parse json body if simulated http client r…

…esponse is a string. Fail silently and keep the original value if it doesnt worok

lib/app/request.js

@@ -119,6 +119,15 @@ module.exports = function request( /* address, body, cb */ ) {
         // Don't include body if it is empty
         if (!clientRes.body) delete clientRes.body;
 
+        // Try to interpret response body as JSON
+        try {
+          if (typeof clientRes.body === 'string') {
+            var jsonParsedBody = JSON.parse(clientRes.body);
+            clientRes.body = jsonParsedBody;
+          }
+        }
+        catch(e) {}
+
         // If status code is indicative of an error, send the
         // response body or status code as the first error argument.
         if (clientRes.statusCode < 200 || clientRes.statusCode >= 400) {