Add CopyableBehavior
Add CopyableBehavior

Originally from https://github.com/jamienay/copyable_behavior

cvo-technologies/croogo,cvo-technologies/croogo,Wouter0100/croogo,Wouter0100/croogo,rakeshtembhurne/croogo,Wouter0100/croogo,rchavik/croogo,delkyd/croogo,xintesa/croogo,delkyd/croogo,rakeshtembhurne/croogo,damien-biasotto/croogo,damien-biasotto/croogo,xintesa/croogo,cvo-technologies/croogo,xintesa/croogo,delkyd/croogo,rchavik/croogo,rakeshtembhurne/croogo