v2.34.0

• [DEPRECATED] jQuery UI widget methods:
  Use tree.METHOD() instead of $().fancytree("METHOD").
• [Added] tree.debugTime(), tree.debugTimeEnd() for debugging.
• [Added] tree.destroy() as alternative for tree.widget.destroy().
• [Fixed] $.ui.fancytree.getTree() for Element arg.
• [Fixed] #973 when use ext-grid in one tree, other tree not use ext-grid has error on click.
• [Fixed] #974 ext-grid: too much output in production mode.
• [Fixed] #975 ext-grid: fix tree.visitRows() for empty tree.
• [Fixed] #978 ext-grid: addChildren() throws error when grid is hidden.

Commit details.