Fix JS error offenders

lib/offendersHelpers.js

@@ -117,7 +117,7 @@ var OffendersHelpers = function() {
 
             for (var i=0 ; i<traceArray.length ; i++) {
                 // Handle the new PhantomJS 2.x syntax
-                parts = /^(([\w$]+)@)?([^ ]+):(\d+):(\d+)$/.exec(traceArray[i]);
+                parts = /^\s*at( (\w+))? \(?([^ ]+):(\d+):(\d+)\)?$$/.exec(traceArray[i]);
 
                 if (parts) {
                     obj = {
@@ -132,25 +132,6 @@ var OffendersHelpers = function() {
 
                     results.push(obj);
 
-                } else {
-                    // Old syntax
-                    parts = /^(([\w$]+) )?\(?([^ ]+):(\d+)\)?$/.exec(traceArray[i]);
-
-                    if (parts) {
-                        obj = {
-                            file: parts[3],
-                            line: parseInt(parts[4], 10)
-                        };
-
-                        if (parts[2]) {
-                            obj.functionName = parts[2];
-                        }
-
-                        results.push(obj);
-
-                    } else {
-                        return null;
-                    }
                 }
             }
             return results;