Fixing #178
Adding explanation and iOS7 check for #178
Merge pull request #244 from davidlawson/master

Fixing #178
Merge branch 'master' of https://github.com/tombenner/nui
Add bar-tint-color property to NavigationBar
Merge pull request #256 from phatmann/bar-tint-color

Add bar-tint-color property to NavigationBar
Merge branch 'master' of https://github.com/tombenner/nui