Fix stale parent node DOM state after adding/removing a child.
Build sm-treeview.
Update gallery build tag.
Update gallery build tag.
Early work in progress on sm-editor and sm-selection.

sm-selection is a friendly cross-browser Selection/Range API.

sm-editor is a simple but powerful WYSIWYG editor that uses
contentEditable rather than designMode, so it inherits the styles of the
current page and is much easier to manage than an iframe-based
editor.
Build sm-selection and sm-editor.
Tree.Node: Mix arbitrary config properties into the node instance.

But don't overwrite existing properties or shadow prototype properties.
Build sm-tree-node.
Merge branch 'master' of github.com:smugmug/yui-gallery
Cross-browser keyboard handling, undo/redo, etc.
Build sm-range, sm-selection, and sm-editor.
Make Editor more modular.
Docs and such.
Add a render event.
Build all the things.
Range unit tests and related fixes.
Build range and selection.
Update readme.
Merge branch 'sm-editor'
Add the ability to parse a DOM node into a menu structure.