Sample to drop standard draggable objects
Add quicksearch option
New option `filter.autoApply` re-applies filter on lazy loading

Close #337
merge
Merge branch 'master' of https://github.com/mar10/fancytree

Conflicts:
	CHANGELOG.md
	test/unit/test-leaks.html
Update changelog and sauce suite
Bumping version to 2.5.0
Bump prerelease (2.5.1-0) [ci skip]
Publish on npm Registry
Added option `focusOnSelect`

Close #358
Better navigation performance when skipping hidden nodes

Close #359
Init event contains status flag
Send `restore` event after ext-persist has finished

Close #357
Bumping version to 2.6.0
merge from master