Add new features

• add showRootActionButtons option in config for show/hide only root action buttons.
• add confarmation before delete node element.
• add 3 new events: 'onStartDeleteItem', 'onFinishDeleteItem', 'onCancelDeleteItem'.
• event 'onremoveitem' was removed.

ability to create direct children from the root

• added ability to create direct children from the root ( After njofce PR )

Fix issue with onadditem event.

Merge pull request #24 from Zicrael/dev-branch

2.4.2 version ( fix onAddItem ) + fix event object

Changes in edit events

• (IMPORTANT) Remove onrenameitem event
• add onStartRenameItem
• add onFinishRenameItem
• update docs and stackblitz

Fix issues

• Fix onremoveitem event

Update to Angular 7

• Update dependency

Fix docs

• Fix documentation ( now in show correct example ).

v 2.2.3 release

• Add code coverage support in codecov.io
• fixed error with font-awesome modules dependency. Now they deepened to project.

Fixed build errors

• Travis CI build now passing.
• Spec tests run status: success.

v2.1.8 stable

• Fix all finded bugs.
• Fully rewrite logic of tree.
• Sortable/draggable tree.
• New options on items.
• new settings on config.
• Work faster.