v0.3.0: Release dataproc 0.3.0 (#6962)

12-17-2018 18:20 PST

Implementation Changes

• Import iam.policy from google.api_core. (#6741)
• Update cluster_controller_client GAPIC config (via synth). (#6659)
• Add 'WorkflowTemplateServiceClient', optional args; update timeouts (via synth). (#6655)
• Pick up enum fixes in the GAPIC generator. (#6609)
• Pick up fixes in GAPIC generator. (#6493)
• Fix client_info bug, update docstrings. (#6408)
• Re-generate library using dataproc/synth.py (#6056)
• Re-generate library using dataproc/synth.py (#5975)
• Re-generate library using dataproc/synth.py (#5949)

Dependencies

• Bump minimum api_core version for all GAPIC libs to 1.4.1. (#6391)

Documentation

• Document Python 2 deprecation (#6910)
• Update Dataproc docs URL (#6455)
• Docs: fix GAX fossils (#6264)
• Docs: normalize use of support level badges (#6159)
• Dataproc: harmonize / DRY 'README.rst' / 'docs/index.rst'. (#6019)

Internal / Testing Changes

• Update noxfile.
• Blacken all gen'd libs (#6792)
• Omit local deps (#6701)
• Run black at end of synth.py (#6698)
• Unblack dataproc gapic and protos.
• Run Black on Generated libraries (#6666)
• Add templates for flake8, coveragerc, noxfile, and black. (#6642)
• Add synth metadata. (#6563)
• Use new Nox (#6175)