Release stackdriver 0.6.0.

* Debugger 0.25.0 release.
* Error Reporting 0.25.0 release.
* Logging 1.1.0 release.
* Trace 0.25.0 release.
* Remove `google-cloud-monitoring` from this umbrella gem.

Release google-cloud-trace 0.25.0.

* Introduce new `Google::Cloud::Trace.configure` instrumentation
configuration interface.

Release google-cloud-logging 1.1.0. Introduce new configuration inter…

…face. Logger sends more trace context info.

Release google-cloud-error_reporting 0.25.0.

* New Error Reporting instrumentation client.
* Introduce simple `Google::Cloud::ErrorReporting.report` interface to
easily report Ruby exception.
* New `Google::Cloud::ErrorReporting.configure` instrumentation
configuration interface.
* `Google::Cloud::ErrorReporting::Middleware` can now be used without
required parameters.

Correct google-cloud-debugger dependencies version

Release google-cloud 0.30.0

* Error Reporting 0.25.0 release.
* Logging 1.1.0 release.
* Trace 0.25.0 release.

Release stackdriver-core v1.1.0. Introduce new Stackdriver instrument…

…ation configuration interface.

Release stackdriver-core v1.1.0. Introduce new Stackdriver instrument…

…ation configuration interface.

Release Translation API 0.23.1

* Fix error handling (adrian-gomez)

Release Vision Intelligence 0.20.0

* Initial release