Fix failing tests for provider
Support callback definition for aggregated task
Disable progressbar animations for now

The animation causes some strange jumps in the progressbar. For
example, when showing the details of the task, it first shows full
progressbar, but then jumps to the zero.

Turning the animations off for now: we can figure out what's going on later.
Content Views: Fixing a number of issues listed below:

- Style fixes for content search rows and icons
- Puppet repository creation referenced the wrong environment
- Errata rule removal
- Publish button status
Update Foreman content after promoting to environment
Use fixtures instead for mocks for actions repository_test
Remove checking on ready_to_publish

Updating to follow https://github.com/Katello/katello/pull/3816
Reload versions after publishing

Fixes computing the version numbers for content view publishing.
Also show errors when something goes wrong.
Merge pull request #3825 from iNecas/cv-rework-dynflow-promote

CV promotion with dynflow
Merge branch 'cv-rework' into cv-rework-dynflow

Conflicts:
	app/models/katello/content_view.rb
	engines/bastion/test/content-views/details/content-view-versions.controller.test.js