Added the paritioning of large number of child items
Added a stylesheet for example of the classNames
Refactored and the template
Identify the root treeitem with a style
Expose the maximum number of items before split
Expose the maximum number of items before split
Put a container div around the treeView plus style
Put a container div around the treeView plus style
updated the examples to leverage new features
Merge branch 'master' of https://github.com/jburrow/ng-multiselecttreeview