Adds Windows8 support
Manual Installation for Windows8
Merge pull request #187 from MSOpenTech/windows8-support

Adds Windows8 support
Make it work with iOS 8

+ removed yunnix' whitespace changes for clarity
upped version to 2.3.0
add ios 8 preprocessor constraints
up version to 2.3.1
rollback and fix to support both iOS 8 and iOS < 8, on Xcode 6 & before
add support for iOS 7
fix for compiling in Xcode 5