Keychaineditor v2.2

Fixed the search to include Access Group. Updated Makefile to copy latest swift runtime libs required to run the tool.

Keychaineditor v2.1

iOS 8's handling of SecAccessControl object is slightly different when compared to iOS 9. The fix now properly handles iOS 8 SAC decoding as well.

KeychainEditor v2.0

• Completely re-written in Swift
• Supports decoding kSecAttrAccessControl flags.
• modified command line arguments for simplicity
• Release only supports 64-bit architectures. Can be easily built for 32-bit as well.