react-bootstrap/react-bootstrap — pull request #308 by mfunkie (2014-12-11 22:02:37+00:00)
Title: Update OverlayMixin to allow for a null overlay

Use case:

Large table in which there is an item using OverlayMixin on every row.
If a is returned by renderOverlay(), using React Dev Tools can be frustrating as the tree is littered with s