Renames 'DZNPhotoPickerControllerService' to 'DZNPhotoPickerControllerServices'
Adds ZoomScale value output when editing a photo
Refactors minimally the sample project
Minor refactoring and fixing a bug that would cause to open twice the photo editor.
Minor refactoring and typo corrections
Adds header file for importing all UIImagePickerController extension classes
Merge branch 'master' of https://github.com/dzenbot/DZNPhotoPickerController