bump version: 2.2.1 (katspaugh#1598)

release 2.2.0 (katspaugh#1582)

* bump version: 2.2.0

* doc: remove duplicate badges

Release 2.1.3 (katspaugh#1558)

* update dev dependencies

* bump version: 2.1.3

* add favicon

* update date

* update dev dependencies

Release 2.1.2 (katspaugh#1545)

* update changelog

* bump version

* bump version

* add upgrade document

* add UPGRADE doc reference

* bump date

* happy new year

bump version: 2.1.1 (katspaugh#1512)

bump version: 2.1.0 (katspaugh#1470)

release 2.0.6 (katspaugh#1393)

* update changelog

* update version nr

* bump version

* bump version

* update dev dependencies

* explicit webpack version

Release 2.0.5 (katspaugh#1337)

* Bump version to 2.0.5 and updated changelog

* update changelog

* update release date

* fix typo

Release 2.0.4 (katspaugh#1326)

* bump version

* bump version

* bump version

Release 2.0.3 (katspaugh#1308)

* update changelog

* bump version

* bump version