Bump cocoapods from 1.7.0 to 1.7.1
Bump cocoapods from 1.7.0 to 1.7.1

Bumps [cocoapods](https://github.com/CocoaPods/CocoaPods) from 1.7.0 to 1.7.1.
- [Release notes](https://github.com/CocoaPods/CocoaPods/releases)
- [Changelog](https://github.com/CocoaPods/CocoaPods/blob/1.7.1/CHANGELOG.md)
- [Commits](https://github.com/CocoaPods/CocoaPods/compare/1.7.0...1.7.1)
paulz/ImageCoordinateSpace,paulz/ImageCoordinateSpace