upgrades Quill package
Created by: cspanring
- upgrades Quill to version 1.2.0
- allows minor Quill upgrades according to Semver
- upgrades to latest Ember-CLI (2.11)
- slightly improves integration test
The Quill upgrade fixes an issue with editor tooltips (https://github.com/quilljs/quill/pull/941) I was running into and had monkey patched in my app.