doc(CHANGELOG.md): add entry for v2.0.0

doc(CHANGELOG.md): add entry for v2.0.0-rc2

Merge pull request #104 from vdice/release-v2.0.0-rc1

doc(CHANGELOG.md): add entry for v2.0.0-rc1

Merge pull request #95 from vdice/release-beta4

doc(CHANGELOG.md): add entry for v2.0.0-beta4

releasing workflow

releasing workflow beta2

Deis workflow v2 beta1

v2 alpha release