Move publish step generic processing from pulp_rpm to platform.
Add the copyright file to the root of the project
Add base metadata publisher to platform utils
Add json metadata writer to the platform
Add getter methods for conduit & repo
Split unit based publish step logic from base publish step logic.
Add setter methods for each step list
Add description field to step report
Update for PR comments
update for PR comments
Update for PR changes and to provide default renderer for step progress reports.
Add error codes for relative paths
Update for flake8 verification
Merge branch 'master' into barnabycourt-move-publish-steps
Fixes for PR comments
Merge pull request #886 from pulp/barnabycourt-move-publish-steps

Move publish step generic processing from pulp_rpm to platform.