Docfix: checking a background task

Minor changes to wording on how to check a background task with async_status.

Fixes #9740
Add missing connection and header
Update the extras submodules to latest
Update core modules
added tests for templating and with_items
Updat ecore to pull in new git module fixes
Merge pull request #9751 from lorin/doc-async

Docfix: checking a background task
Add role vars to differentiate with role defaults
Merge pull request #9755 from armetiz/docs_format

Add missing connection and header
Document the --offline parameter to galaxy init

Fixes #9758
added complex bare templated conditional test
Typo fix
Merge pull request #9768 from mikeputnam/devel

Typo fix
Typo fix in playbook delegation docs.
Merge pull request #9769 from mikeputnam/devel

Typo fix in playbook delegation docs.
updated refs to module repos
Update core submodule for docs fix
New test that binary contenti.

(and a few unicode tests because they make clearer what we're testing)
works.  disabled for now since they mostly do not pass on 1.8.  We'll
want to enable them when we start integration testing the v2 tree.
Enable all the binary tests inside of the role.

They're not being run by default so make sure they're ready to show
errors when we turn them on for v2
Quote debug msgs and find one more wierd bug to test in v2