Fix typo in dom#on method
Merge pull request #225 from leoasis/fix_typo

Fix typo in dom#on method
replace tandem-core with rich-text
Merge branch 'develop' of github.com:quilljs/quill into develop
Merge branch 'develop' into rich-text
Replace test deltas
fix remaining test bugs with new delta
fix webdriver tests
update rich-text
report new embed format
conflict resolution