Copied d&d example code. Added jQuery UI 1.9.2 (custom built with draggable & droppable).
Implemented collapseAll/expandAll functions
Remove unnecessary element wrap.
Add expand/collapse node methods to plugin API.
Throw an error when collapseNode/expandNode is called with an unknown
node id.
Use Array.push to add elements to array
Updated jQuery UI to 1.10
Added drag-and-drop functionaility.
Moving root nodes doesn't try to remove children from (non-existing)
parent. move() chainability.
Node can't be moved everywhere. Added conditions.
Use more verbose 'return this' i.o. '@' for 'chainability returns'.
Move responsibility of updating parent and children stuff to Node class.
addChild/removeChild are functions, make this 'explicit' in tests
Added 'reveal' function
Added clickableNodeNames option that makes clicking anywhere in tree
cell expand a branch
Re-render parentNode if it didn't have any children yet (move)
Add form to big.html to demonstrate 'reveal' function.
Extract content to settings (for i18n).
Added CHANGELOG.txt