Release 2.15.0

Release 2.14.0

Merge pull request KnpLabs#852 from acrobat/prepare-2.13-release

Prepare 2.13.0 release

Merge pull request KnpLabs#835 from acrobat/prepare-release-2.12.1

Prepare 2.12.1 release

Merge pull request KnpLabs#826 from Nyholm/changelog

Change log for 2.12.0

Merge pull request KnpLabs#771 from acrobat/prepare-2.11-release

Prepare 2.11.0 release

Merge pull request KnpLabs#739 from acrobat/prepare-2.10.1-release

Prepare 2.10.1 release

Merge pull request KnpLabs#736 from acrobat/prepare-2.10-release

Prepare 2.10.0 release

Merge pull request KnpLabs#721 from KnpLabs/Nyholm-patch-1

Added changelog for 2.9

Merge pull request KnpLabs#698 from acrobat/changelog-update

Missing changelog items to prepare 2.8 release