Deis Workflow v2.9.0

v2.8.0 -> v2.9.0

Features

• ea9e648 workflow-dev: add preStop hook to postgres

Refactors

• 67c0a3f workflow-dev: make PGCTLTIMEOUT tunable

Fixes

• 92f7751 workflow-dev/tpl/deis-database-deployment.yaml: rename env var
• 5bc0305 workflow-dev: rewrite to avoid whitespace errors

Documentation

• bd1a6f1 README: remove dead Travis CI badge
• de94939 *: add note about Helm classic deprecation

Maintenance

• 0fbd407 workflow-v2.9.0: releasing workflow-v2.9.0(-e2e)