CB-6769 ios: Fix statusbar color reset wasn't working on iOS7+

close #45
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/cordova-plugin-inappbrowser
Merge branch 'master' of ssh://github.com/ldeluca/cordova-plugin-inappbrowser into CB-6127cordova-plugin-inappbrowser