Merge branch 'release/4.0.4'

Conflicts:
	README.md

Merge branch 'release/3.0.0'

Merge branch 'feature/documentation-and-demo' into develop

Update docs

Merge branch 'master' into feed-author

Update license

Merge branch 'release/1.1.2' into develop

Merge branch 'release/1.1.2'

Update theme setup documentation

Add MIT license