Merge pull request #515 from plotly/fix-post-request

Fix Plotly online POST request

Author: robertoffmoura

plotly/plotly_aux/makecall.m

@@ -14,16 +14,16 @@
 
     platform = 'MATLAB';
 
-    url = [domain '/clientresp'];
-    payload = struct( ...
+    url = [domain '/clientresp/'];
+
+    st = webwrite( ...
+            url, ...
             'platform',platform, ...
             'version',plotly_version, ...
-            'args',args, ...
+            'args',m2json(args), ...
             'un',un, ...
             'key',key, ...
             'origin',origin, ...
-            'kwargs',kwargs ...
+            'kwargs',m2json(kwargs) ...
     );
-
-    st = webwrite(url, payload);
 end