4.7.0: Feature/sidebar plugin (#582)

* Another sidebar plugin.

5.0.0-beta2

Changelog updated.

4.6.0

Confirm button for assets and references.

4.5.1

Fix equality test.

5.0.0-beta1

Changelog for 5.0.0-beta1

4.5.0

Changelog for 4.5

4.4.0

Merge branch 'master' of github.com:Squidex/squidex

4.4.0-rc

Merge branch 'master' of github.com:Squidex/squidex

4.3.0

Fix version numbers.

v2.2.2

Another build fix.