Added support for layout suspend / resume notifications
Redesigned the library from scratch.  The layout engine uses as few elements as possible and all dimensions are cached and referenced with absolute positioning.  This avoids reflow
Added support for dialog boxes.  Added various dialog box decorators (focus, drag, resize)
Added decorators directory to the source tree
Restrucutred the project directory layout.  Fixed issue with dock preview in some rare cases
Updated the IDE demo to use the latest dockspawn version