Put localizations into a bundle.

Otherwise, when including them via CocoaPods, the localization is
included into the main app, which then causes Apple to think the app is
available in whatever localizations are included in
QBImagePickerController, which may not actually be supported by the app.
Merge branch 'master' into localization-bundle
Move localizations and use recommended podspec

Cocoapods recommends using resource_bundles
More condensed bundle references.
Merge pull request #38 from streeter/localization-bundle

Put localizations into a bundle.