Fix iOS 7 bug where the close map button is hidden behind the navigation bar.
Refactor map hiding/shrinking methods.
Merge pull request #16 from Hoya/master

added convenience method
Add "auto center on user location" property.
Merge auto-center feature.
Merge auto-center feature.
Update README.
Remove old images. Update README.
Update podspec and README.
fixed bug where custom close button can be added more than once
Merge branch 'master' of https://github.com/mstrchrstphr/LocationPickerView