Remove transfer registration code
Transformers are automatically located by Cocoa based on their class name
Handle NSString for width/height as well as NSNumber
No idea where it comes from, but in Karelia case #214178 we're seeing exceptions from these values being NSStrings instead of NSNumbers
Localization updates
Openssl appears to be unused.
Merge pull request #91 from dodgio/sandbox-compatibility

Openssl appears to be unused.
Merge pull request #92 from karelia/sandbox-compatibility

Sandbox compatibility