Merge pull request fluxcd#297 from weaveworks/prep-0.18.4

Release v0.18.4

Merge pull request fluxcd#282 from weaveworks/prep-0.18.3

Release 0.18.3

Merge pull request fluxcd#270 from weaveworks/prep-0.18.2

Release v0.18.2

Merge pull request fluxcd#262 from weaveworks/prep-0.18.1

Release v0.18.1

Merge pull request fluxcd#255 from weaveworks/prep-0.18.0

Release v0.18.0

Merge pull request fluxcd#238 from weaveworks/prep-0.17.0

Release v0.17.0

Fix tag composition in release script

Merge pull request fluxcd#203 from weaveworks/prep-v0.15.0

Release v0.15.0

Merge pull request fluxcd#198 from weaveworks/release-v0.14.1

Release v0.14.1

Release v0.14.0 changelog