mono/mono — pull request #1278 by esdrubal (2014-09-11 14:14:07+00:00)
Title: GMT DateTimeOffset is now properly parsed. 

Fixes [#22851](https://bugzilla.xamarin.com/show_bug.cgi?id=22851).
GMT date formats set useutc to true, so now useutc is checked to init DateTimeOffset with a zero offset.