* server-tool-link fixed bug
* fixed caret transition to empty list content
Fixed bug with list, URL path and block pasting. Now «paste» event
inserts from buffer to the first contenteditable element
* pasting to the block from Buffer in selected contenteditable element
1) improved blocks transmition. We can switch contenteditable elements
by clicking arrow buttons.
2) Refactoring (Removing) blocks. When backspace key pressed and input
is empty, we can remove from DOM this element
* Add error background
* Add tool code
Fix switch block and insert block for new system with div wrappers
* Remove unneccessary appendChild
* Fix css in tool code
* Implement link download by enter press
* Change promise structure
* Fix promises fetch
* Server meta-getter
* Change keyEnterCode to ENTER_KEY
* Add url and url-text parsing
* Attached loader
* Loader gif
* Remove a fish :D
* Finish core functionality of the tool link
* Some css beauty
* Fix css border: 0
* Change to className.add()
* Remove 'to' in comments
* Use this where it is real
Remove default type setting in Input
* Code refactoring
* Implement save() method
* Optimise variable usage
* Add UI maker
* Clearfix
Objects clone
Css in tool-link plugin
* Fix
* Fix CSS