Release version 2018.04.26

Shortlog of commits since last release:

    Austin (2):
          Merge pull request #967 from asmacdo/remove-sync-mode-dl-policy
          Merge pull request #969 from asmacdo/move-root

    Austin Macdonald (2):
          Remove sync_mode and download_policy from Remote
          Move API root

    David Davis (2):
          Handle single task responses for Pulp 3
          Add more info to worker filter error

    Jeremy Audet (6):
          Don't ignore flake8 warning D203
          Consolidate and flatten test logic
          Drop unused constants
          Refactor test case for status API
          Rewrite test case for artifact creation
          Drop extraneous `noqa` directive

    Kersom (12):
          Update linters and remove noqa from codebase.
          Update variable name from importer to remote.
          Expand CRUD tests for publications.
          Verify content immutability for repo version.
          Remove authentication from client status tests.
          Add tests to workers.
          Update assertions and variable name for workers.
          Skip test affected by Pulp issue 3586
          Expand test cases for artifacts creation.
          Expand test case for read distributions.
          Remove declaration inherit from object.
          Add tests to the task system.

VERSION

@@ -1 +1 @@
-2018.04.12
+2018.04.26