Add warning

For seriously don't silently eat my urls kthxbye

node_modules/connect-architect/connect.redirect/redirect.js

@@ -16,8 +16,10 @@ module.exports = function(options, imports, register) {
     imports.connect.addResponseMethod("secureRedirect", function(location) {
         var parsedLocation = url.parse(location, false, true);
 
-        if (!trustedDomainsRe.test(parsedLocation.host))
+        if (!trustedDomainsRe.test(parsedLocation.host)) {
+            console.log("Avoiding untrusted redirect to", parsedLocation.host)
             location = parsedLocation.path || "/";
+        }
            
         this.redirect(location); 
     });

package.json

@@ -59,6 +59,7 @@
     ],
     "c9plugins": {
         "c9.ide.language": "#79bcb2fe06",
+        "c9.ide.language.core": "#undefined",
         "c9.ide.language.css": "#be07d72209",
         "c9.ide.language.generic": "#3949510863",
         "c9.ide.language.html": "#22fdc74869",