Useless function has been deleted
Merge branch 'master' of https://github.com/octomarat/ChromeHistoryExt
New folding added
Merge branch 'master' of https://github.com/octomarat/ChromeHistoryExt

Conflicts:
	TreeVisualisation/CssClassNames.js
	TreeVisualisation/TreeStyle.css
	TreeVisualisation/VisualNode.js