Jesse Lin conscientiousness

Download and install p4merge

Download the perforce visual tool suite from here: http://www.perforce.com/perforce/downloads/index.html
Copy only the p4merge.app file into your /Applications/ directory

	//Protocal that copyable class should conform
	protocol Copying {
	init(original: Self)
	}

	//Concrete class extension
	extension Copying {
	func copy() -> Self {
	return Self.init(original: self)
	}