Prepare for release 4.3.0 (uber#1016)

* Prepare for release 4.3.0

* update date

fill out changelog entries for 4.2.1 (uber#985)

* fill out changelog entries for 4.2.1

* bump version

release 4.2.0 (uber#950)

Prepare for release 4.1.0 (uber#741)

* Prepare for release 4.1.0
* update release date

Release version 4.0.1 (uber#691)

* Add CHANGELOG entries so far

* v4.0.1

Add changelog for v4.0.0 release (uber#633)

* Prepare for v4.0.0 release

* changelog notes for v4.0.0

* update release date

Release v4.0.0-rc5 (uber#640)

Prepare for release v4.0.0-rc4 (uber#626)

* Prepare for release v4.0.0-rc4

* Add release date

Prepare for release 4.0.0-rc3 (uber#612)

Prepare for 4.0.0-rc2 release (uber#594)