Release google-cloud-pubsub 0.33.2 (googleapis#2544)

* Rename delay methods to modify_ack_deadline
  * Rename modify_ack_deadling aliases to delay
  * This maintains backwards compatibility

Release google-cloud-bigquery 1.9.0 (googleapis#2541)

* Add clustering fields to LoadJob, QueryJob and Table
* Add DDL/DML support
  * Update QueryJob#data to not return table rows for DDL/DML
  * Add DDL/DML statistics attrs to QueryJob and Data
* Add #numeric to Table::Updater and LoadJob::Updater (@leklund)

release tasks 0.2.5

Release Spanner 1.7.1 (googleapis#2509)

* Add DML and Partitioned DML support
  * Add execute_update to process DML statements
  * Add execute_partition_update for Partitioned DML
* Rename execute_query method
  * Maintain naming consistency with execute_update method.
  * Maintain compatibility by adding query, execute and execute_sql aliases.

Release google-cloud-storage 1.15.0

* Add Bucket retention policy
  * Add retention_policy fields and default_event_based_hold to Bucket.
  * Add retention_policy and hold fields to File.
  * Add Bucket#lock_retention_policy!
  * Add Bucket#metageneration.
  * Add Bucket#retention_policy_locked?
  * Add File#(set|release)_temporary_hold!
  * Add File#(set|release)_event_based_hold!

Release google-cloud-storage 1.15.0

* Add Bucket retention policy
  * Add retention_policy fields and default_event_based_hold to Bucket.
  * Add retention_policy and hold fields to File.
  * Add Bucket#lock_retention_policy!
  * Add Bucket#metageneration.
  * Add Bucket#retention_policy_locked?
  * Add File#(set|release)_temporary_hold!
  * Add File#(set|release)_event_based_hold!

Release google-cloud-storage 1.15.0

* Add Bucket retention policy
  * Add retention_policy fields and default_event_based_hold to Bucket.
  * Add retention_policy and hold fields to File.
  * Add Bucket#lock_retention_policy!
  * Add Bucket#metageneration.
  * Add Bucket#retention_policy_locked?
  * Add File#(set|release)_temporary_hold!
  * Add File#(set|release)_event_based_hold!

Release google-cloud-storage 1.15.0

* Add Bucket retention policy
  * Add retention_policy fields and default_event_based_hold to Bucket.
  * Add retention_policy and hold fields to File.
  * Add Bucket#lock_retention_policy!
  * Add Bucket#metageneration.
  * Add Bucket#retention_policy_locked?
  * Add File#(set|release)_temporary_hold!
  * Add File#(set|release)_event_based_hold!

Release google-cloud-vision 0.31.0 (googleapis#2488)

* Add Object Localization.

Releases for 2018-09-20 (googleapis#2473)

* Release google-cloud-bigquery 1.8.2

* Update documentation.
  * Change documentation URL to googleapis GitHub org.
* Fix circular require warning.

* Release google-cloud-bigquery-data_transfer 0.2.3

* Update documentation.
  * Change documentation URL to googleapis GitHub org.

* Release google-cloud-bigtable 0.1.3

* Update connectivity configuration.
* Update documentation.
  * Change documentation URL to googleapis GitHub org.

* Release google-cloud-container 0.2.2

* Update documentation.
  * Change documentation URL to googleapis GitHub org.

* Release google-cloud-dataproc 0.2.2

* Update documentation.
  * Change documentation URL to googleapis GitHub org.

* Release google-cloud-datastore 1.4.4

* Update documentation.
  * Change documentation URL to googleapis GitHub org.
* Fix circular require warning.

* Release google-cloud-debugger 0.32.5

* Update documentation.
  * Change documentation URL to googleapis GitHub org.
* Fix circular require warning.

* Release google-cloud-dialogflow 0.2.2

* Update documentation.
  * Change documentation URL to googleapis GitHub org.

* Release google-cloud-dlp 0.6.2

* Update documentation.
  * Change documentation URL to googleapis GitHub org.

* Release google-cloud-dns 0.29.4

* Update documentation.
  * Change documentation URL to googleapis GitHub org.
* Fix circular require warning.

* Release google-cloud-error_reporting 0.30.5

* Update documentation.
  * Change documentation URL to googleapis GitHub org.
* Fix circular require warning.

* Release google-cloud-firestore 0.24.2

* Add fix for comparing NaN values
  * NaN values should not be compared, as this may raise with Active Support.
* Update documentation.
  * Change documentation URL to googleapis GitHub org.
* Fix circular require warning.

* Release google-cloud-kms 0.2.4

* Update documentation.
  * Change documentation URL to googleapis GitHub org.

* Release google-cloud-language 0.31.2

* Update documentation.
  * Change documentation URL to googleapis GitHub org.

* Release google-cloud-logging 1.5.5

* Make Logger thread-safe.
* Update Logging generated files.
  * Add Metric's MetricDescriptorMetadata.
* Update documentation.
  * Change documentation URL to googleapis GitHub org.
* Fix circular require warning.

* Release google-cloud-monitoring 0.29.2

* Update Monitoring generated files.
  * Add MetricDescriptorMetadata.
* Update documentation.
  * Change documentation URL to googleapis GitHub org.

* Release google-cloud-os_login 0.2.3

* Update documentation.
  * Change documentation URL to googleapis GitHub org.

* Release google-cloud-pubsub 0.33.0

* Add support for user labels to Snapshot, Subscription and Topic.
* Update documentation.
  * Change documentation URL to googleapis GitHub org.
* Fix circular require warning.

* Release google-cloud-redis 0.2.3

* Update documentation.
  * Change documentation URL to googleapis GitHub org.

* Release google-cloud-resource_manager 0.30.3

* Update documentation.
  * Change documentation URL to googleapis GitHub org.
* Fix circular require warning.

* Release google-cloud-spanner 1.6.4

* Update Spanner generated files.
  * Add DML/PDML code structures.
* Update documentation.
  * Change documentation URL to googleapis GitHub org.
* Fix circular require warning.

* Release google-cloud-speech 0.31.1

* Update documentation.
  * Change documentation URL to googleapis GitHub org.

* Release google-cloud-storage 1.14.2

* Update documentation.
  * Change documentation URL to googleapis GitHub org.
* Fix circular require warning.

* Release google-cloud-tasks 0.2.4

* Update documentation.
  * Change documentation URL to googleapis GitHub org.

* Release google-cloud-text_to_speech 0.1.3

* Update documentation.
  * Change documentation URL to googleapis GitHub org.

* Release google-cloud-trace 0.33.5

* Update documentation.
  * Change documentation URL to googleapis GitHub org.
* Fix circular require warning.

* Release google-cloud-translate 1.2.4

* Update documentation.
  * Change documentation URL to googleapis GitHub org.
* Fix circular require warning.

* Release google-cloud-video_intelligence 1.1.2

* Update documentation.
  * Change documentation URL to googleapis GitHub org.

* Release google-cloud-vision 0.30.4

* Update documentation.
  * Change documentation URL to googleapis GitHub org.
* Fix circular require warning.

* Release gcloud 0.23.3

* Update documentation.
  * Change documentation URL to googleapis GitHub org.

* Release google-cloud 0.56.3

* Update documentation.
  * Change documentation URL to googleapis GitHub org.
  * Add links to dependency google-cloud-* gems to README.
* Fix circular require warning.

* Release stackdriver 0.15.3

* Update documentation.
  * Change documentation URL to googleapis GitHub org.

* Release google-cloud-core 1.2.7

* Update documentation.
  * Change documentation URL to googleapis GitHub org.

* Release google-cloud-env 1.0.5

* Update documentation.
  * Change documentation URL to googleapis GitHub org.

* Release stackdriver-core 1.3.3

* Update documentation.
  * Change documentation URL to googleapis GitHub org.