bump to 2.0.0-7
Add `opts`to makeVisible()

update #126
Removing the last node collapses; lazy nodes become empty (not undefined)
Added API docs
Sample xxl theme (still needs better icons)
Sample bootstrap theme
Renamed ext-awesome to ext-glyph
Added node.isUndefined()
Added node.isLoaded()
Added node.resetLazy()
Added node.load() and resetLazy(); deprecated lazyLoad() and .discard()
Cleanup
Merge branch 'bootstrap'
Calling setExpanded() on a leaf fires .done() (not .fail())
Merge branch 'master' of https://github.com/mar10/fancytree