updated to Xcode 7.2 recommended settings
integrated with Nimble (v3.0.0), Quick (v0.8.0), Result (1.0.1)
integrated with Guanaco (5031bf67297afbe61ac0f2fbf3e3e8400b3f8888) that supports Swift 2.0
- Update Guanaco, LlamaKit, Nimble, and Quick to versions that support
Swift 1.2.
- Update Xcode project and scheme files for "latest Xcode version"
parameters.
- Use Swift 1.2's new fallible casts for casts that may fail at runtime.