on wp7 sessionStorage does not exist until just before device ready
on wp7 sessionStorage does not exist until just before device ready

ollie314/cordova-mobile-spec,apache/cordova-mobile-spec,corimf/cordova-mobile-spec,apache/cordova-mobile-spec,corimf/cordova-mobile-spec,lorinbeer/cordova-mobile-spec,apache/cordova-mobile-spec,apache/cordova-mobile-spec,apache/cordova-mobile-spec,corimf/cordova-mobile-spec,corimf/cordova-mobile-spec,ollie314/cordova-mobile-spec,ollie314/cordova-mobile-spec,ollie314/cordova-mobile-spec,polyvi/xface-mobile-spec,ollie314/cordova-mobile-spec,corimf/cordova-mobile-spec,polyvi/xface-mobile-spec,polyvi/xface-mobile-spec