dont instantiate new quill in editor unit tests
dont need manipulation namespace
add tests for document rebuild
Fix need to focus in tests
add quill tests
add quill styles tests
Remove doSilently

We are no longer using DOMSubtreeModified
use new api
selection change from preserve should not emit
fix typo
move keys to dom
forced trailing newline is back
refactor pastemanager for testing
add test for paste manager
add undo manager tests
simplify _getLastChangeIndex implementation
Remove unsupported features, fix toggleFormat
Fix Keyboard._onTab

Also combine delete and insert into one instruction so it will be
emitted as such
Add and fix failing test
add Keyboard.toggleFormat tests