Initial iPhone6 support
Prevent crash when response data size is 0
Include screen dimensions in Version routes
New strategy for iOS 8 coordinate space handling with sampling and rotation
Fix support for iPhone 6+
Fix serialization for new types

Fixes https://github.com/calabash/calabash-ios/issues/529

Thanks @idcuesta for excellent bug report and description of solution.
Fixes for non iOS8 and non iPhone6 sims
Disable ARC for dylib targets
Merge pull request #75 from calabash/feature-iphone6

iPhone 6 support