Bump Nimble & Quick for tests which compile.
Replace broken Nimble.framework references.
Bump Quick.
Hopefully correct Quick & Nimble references.
Copy frameworks into the test bundle.
Briefer framework search paths.
Don’t always build the tests.
Bump Quick.
Merge pull request #34 from github/xcode-6.1-ios-tests

[WIP] Xcode 6.1 iOS tests