Backport ansible#2679 (ansible#2684)

Merge pull request ansible#2679 from robinmulder/sh-pin-version

Update pinned version for sh dependency

Reviewed-by: Robin Mulder
             https://github.com/robinmulder

Merge pull request ansible#2641 from ssbarnea/fix/extensive

Mark some functional tests as extensive

Reviewed-by: https://github.com/apps/ansible-zuul

Merge pull request ansible#2571 from greg-hellings/molecule_limit_glob

Avoid loading all scenarios if not needed

Reviewed-by: https://github.com/apps/ansible-zuul

Merge pull request ansible#2566 from ssbarnea/fix/vcs-config

Load molecule config from VCS if possible

Reviewed-by: https://github.com/apps/ansible-zuul

Merge pull request ansible#2562 from ssbarnea/master

Update changelog for 3.0 release

Reviewed-by: https://github.com/apps/ansible-zuul

Merge pull request ansible#2559 from ssbarnea/master

Corrects playbook.yml deprecation message

Merge pull request ansible#2545 from ssbarnea/master

Assure verify step is not skipped with testinfra

Reviewed-by: https://github.com/apps/ansible-zuul

Merge pull request ansible#2534 from ssbarnea/fix/default-verifier

Makes ansible default verifier

Reviewed-by: https://github.com/apps/ansible-zuul

Merge pull request ansible#2534 from ssbarnea/fix/default-verifier

Makes ansible default verifier

Reviewed-by: https://github.com/apps/ansible-zuul