Merge branch 'branch-0.8' of https://github.com/mlflow/mlflow into br…

…anch-0.8

Azure artifact store: fix path resolution error when artifact root is…

… container root (mlflow#769)

* Fix relative path resolution in azure blob artifact repo

* Add test

* Naming change

* Validate that blob names begin with artifact path

* Add negative test case

* Lint

* test fix

Update release version to 0.8.0 (mlflow#699)

Fix issue with mlflow.start_run(run_uuid=<deleted_run>) (mlflow#579)

* init

* fix lint

Fix issue with mlflow.start_run(run_uuid=<deleted_run>) (mlflow#579)

* init

* fix lint

Update release version to 0.6.0 (mlflow#458)

Bump version and update changelog for 0.5.2 release (mlflow#369)

* Fix conflicts

* Add changelog

* Changelog fix

* Add name and author to changelog entry

Update release version to 0.5.1 (mlflow#356)

Update release version to 0.5.0 (mlflow#323)

Update release version to 0.4.2 (mlflow#262)