Prepare release
[maven-release-plugin] prepare release alohaeditor-0.23.20-commercial
[maven-release-plugin] prepare for next development iteration
Merge branch 'hotfix' of github.com:alohaeditor/Aloha-Editor into release

Conflicts:
	build/hotfix-changelog.md
Update changelog
[maven-release-plugin] prepare release alohaeditor-0.23.21-commercial
[maven-release-plugin] prepare for next development iteration