dkregistry 0.4.0

Breaking changes

5a4ec71 Client::login has been replaced by Client::authenticate

Changelog

5a4ec71 v2/auth: add Basic authentication and refactor
bb17036 Workaround GCR bug
16edad8 examples: add script to run all
419b6f3 examples/image: add IMAGE_OVERWRITE env var
8fd87b9 tests/net/quay: improve test-net{,-private} feature gating
44ebdf1 v2/client: add accept_invalid_certs option
ccf4905 Reuse reqwest::Client
a03f9de v2/manifest: add a function to fetch content-digest for a tag
712f7da tests/mock/tags: refactor assertion and error handling
69061df examples,tests: restore behavior from before cb6141b
a68a3fc v2/{auth,catalog}: make use of error_chain features
aea2077 errors: remove top-level uses
93ce062 tests/net/quay: add a feature-gate to auth tests
2413bc6 Cargo,travis: add and enbale 'test-net-private' feature
785f23a v2/auth: add authentication helper method
b9cfe09 tests/net: adapt to async/await changes
4410140 v2/{catalog,tags}: use async_stream and yield
82275b5 Cargo/deps: init async-stream at 0.2
2d6b579 Adapt to bumped dependencies and use async/await
a959bb6 Switch to Rust edition 2018
a131ef2 tests/net/quay: ignore insecure test

(generated via git log --no-merges --pretty=oneline --abbrev-commit 0.3.1..0.4.0 | grep -vEi ' build\(deps\)| cargo: | travis' )