Files
SwiftLint/Source/SwiftLintFramework
JP Simard db2fbad7fd Use CommonCrypto if available to compute MD5 hash (#2474)
It's significantly faster than CryptoSwift: 3% vs 19% of cached lint time for Lyft's iOS codebase.

### Before (CryptoSwift)

![CryptoSwift](https://user-images.githubusercontent.com/474794/48873531-3f2a7780-eda3-11e8-9cd9-c0ef796b061b.png)

### After (CommonCrypto)

![CommonCrypto](https://user-images.githubusercontent.com/474794/48873539-481b4900-eda3-11e8-8605-4fd009da3eb1.png)
2018-11-21 16:19:10 -08:00
..
2018-11-18 17:32:25 -08:00
2018-11-20 10:32:20 -08:00
2018-11-18 15:41:26 -08:00