(#13) Shim for json-patch
(#13) changelog

Conflicts:
	CHANGELOG.md
Merge branch 'feature-0.4.x/13-setup-json-patch-for-widget-ci' into release-0.4.x

* feature-0.4.x/13-setup-json-patch-for-widget-ci:
  (#13) changelog
  (#13) Shim for json-patch
Use the same number of empty lines as the other repos