Cherrytree 0.10 changelog

• print/save as pdf: implemented the support for images. the tables are not supported yet.
• fixed bug: the cursor and scrollbar were not restored properly after undo/redo (thanks J.W.)
• fixed many other bugs
• from now on, if the periodic autosave is on, the application is also automatically saved on close (thanks Marcin)
• added menu item and shortcut to insert a horizontal rule (thanks Zeltak)
• double clicking upon a tree node now opens the node properties dialog (thanks Zeltak*2)