Merge pull request Moya#667 from Moya/ci-fix

Fixes CI

Releasing version 8.0.0-beta.1.

Merge pull request Moya#636 from tpesce/release-7.0.1-take-two

Updated main project to record Swift 2.3 migration status (Moya#629).

Cartfile version bump for Swift 2.3.

Releasing version 7.0.0.

Releasing version 7.0.0.

Releasing version 6.5.0.

Releasing version 6.4.0.

Releasing version 6.3.1.

Releasing version 6.3.0.