changed to iphone ios 7.1 as per https://github.com/ibm-js/deliteful/commit/35bab15320470ad184c7b4930df8892b0e35990c
and https://groups.google.com/forum/#!topic/delite-dev/Kt1eHup-qiM

I ran a full suite against just 7.1 and got no errors!