Swing Layout Extensions goal is to make it easy to create
professional cross platform layouts with Swing. This project has
an eye towards the needs of GUI builders, such as NetBeans. This
project consists of the following pieces: * Ability to get the
baseline for components.

* Ability to get the preferred gap between components.

A new LayoutManager that utilizes both of these concepts and is tuned
toward a free-form drag and drop layout model as can be provided by GUI
builders.