Merge pull request googleapis#3095 from dhermes/cut-bigtable-0.23.1

Cut version 0.23.1 of Bigtable.

Bump logging dependencies to 0.91.0 (googleapis#3079)

Web detection constant (googleapis#3073)

Vision 1.1 API Client (googleapis#3069)

Merge pull request googleapis#3068 from dhermes/umbrella-release-0.23.0

Upgrading all versions for umbrella release.

Merge pull request googleapis#3068 from dhermes/umbrella-release-0.23.0

Upgrading all versions for umbrella release.

Merge pull request googleapis#3068 from dhermes/umbrella-release-0.23.0

Upgrading all versions for umbrella release.

Merge pull request googleapis#3068 from dhermes/umbrella-release-0.23.0

Upgrading all versions for umbrella release.

Merge pull request googleapis#3068 from dhermes/umbrella-release-0.23.0

Upgrading all versions for umbrella release.

Merge pull request googleapis#3068 from dhermes/umbrella-release-0.23.0

Upgrading all versions for umbrella release.