Fixing bug where moment.utc(isostringwithoutzone) does not parse as utc

#275

moment.js

@@ -585,7 +585,9 @@
         if (isArray(input)) {
             return new Moment(new Date(Date.UTC.apply({}, input)), true);
         }
-        return (format && input) ? moment(input + ' +00:00', format + ' Z').utc() : moment(input).utc();
+        return (format && input) ?
+            moment(input + ' +0000', format + ' Z').utc() :
+            moment(parseTokenTimezone.exec(input) ? input : input + '+0000').utc();
     };
 
     // creating with unix timestamp (in seconds)

test/moment/utc.js

@@ -42,6 +42,20 @@ exports.utc = {
         test.equal(m.date(), 2, "the day should be correct for utc parsing iso");
         test.equal(m.hours(), 3, "the hours should be correct for utc parsing iso");
 
+        test.done();
+    },
+
+    "creating with utc without timezone" : function(test) {
+        test.expect(4);
+
+        var m = moment.utc("2012-01-02T08:20:00");
+        test.equal(m.date(), 2, "the day should be correct for utc parse without timezone");
+        test.equal(m.hours(), 8, "the hours should be correct for utc parse without timezone");
+
+        m = moment.utc("2012-01-02T08:20:00+09:00");
+        test.equal(m.date(), 1, "the day should be correct for utc parse with timezone");
+        test.equal(m.hours(), 23, "the hours should be correct for utc parse with timezone");
+
         test.done();
     }
 };