Apothecary Update for Xcode 6 and new SDKs

- Using Xcode defaults now (so more dynamic) for iOS SDK, OSX SDK
- Set default SDK levels to current
Still brewing.
Merge branch 'apothecary_update' into apothecary-tess2-ios
Apothecary Formula - Tess2 iOS (arm64, armv7, i386, x86_64)

- Updated SDKs and removed ```armv7s```
Apothecary Tess2 - Static Library for iOS (arm64, armv7, i386, x86_64)