Apothecary - FreeImage 3.16.0 - Formulae

All the Apothecary Script changes for FreeImage 3.16.0

Forumla's for:
- [x] OSX FAT (32 bit w/ libstdc++ and 64 bit w/ libc++)
- [x] iOS FAT (armv7, arm64, i386 and x86_64 w/ libc++)
- [x] Android - armeabi (@arturoc ?) 
- [x] Android - armeabi-v7a (@arturoc ?)
- [x] Android - x86 (@arturoc ?)
- [x] VS
- [x] win_cb

Cherry picked without the static libraries from https://github.com/openframeworks/openFrameworks/pull/3143

Should be good to merge straight away.