Configure Bounce/Spring Feature

Is there a configuration option to remove the bounce feature when you let go of a card and it bounces back into place (with throwout or throwin)? It would be great if we could configure both bounces for throwout and throwin events separately.

For example, I'd like to have a spring/bounce when the card is thrown onto the stack but not when it is thrown off the stack (because I want to do some other custom animation to make it fly off the screen and the spring makes it bounce back before the animation kicks in).

No files or tests are named. Start by locating the existing throwout and throwin event handling and its bounce or spring behavior; done means independently configurable bounce behavior for each event, including disabling it for throwout while retaining it for throwin.

Written by the indexing model from the issue text.