worked on scrollbar issue
worked on scrollbar issue
added new demo with new testdata for data as tree
removed unused variables, fixed ajax call
added support for restoring state of column navigation
improved recursive handling
fixed breadcrumb bug for data as tree
added add-column when last selected element has no children
fixed merge conflicts
review code
Merge pull request #118 from massiveart/feature/restore-column-navigation

restore status of open column navigation