Apothecary: Formula FreeImage 3.16.0 for iOS (arm64, arm7, arm7s, i386, x86_64)

- Custom makefile for iOS created to put power of target arch into the
Apothecary script and bypass errors
- In line hot fixes for arm64 for some of the sub-libraries of
FreeImage.
FreeImage 3.16.0 Static libs iOS (arm64, armv7, armv7s, i386, x86_64) libc++.
Merge pull request #10 from danoli3/apothecary-FreeImage

Apothecary: FreeImage iOS Formula + libs