Add dulwich to gitfs_provider docs
Add information on gitfs_provider to gitfs walkthrough
Merge pull request #12940 from terminalmage/docs

Add gitfs_provider documentation
Fix incorrect reference to module

This fixes breakage introduced in 60cf38f6.
Merge pull request #12941 from terminalmage/fix-shadow

Fix incorrect reference to module
Use minion ID, not fqdn
Merge pull request #12942 from jacksontj/concurrency_control

Use minion ID, not fqdn
too many false positives; squelch entire files
don't care about dir() outside of the interactive Python shell
A missing schedule function should be a "warn" rather than "info".

Fix the ordering of the fields in the message format.
rm dead code in clouds.openstack.request_instance()
safe since sorted() executes key() immediately and doesn't hold onto it afterwards
Still use "info", but the format still needs to be swapped.
Merge pull request #12945 from plastikos/bug-schedule_error_format

BUG: Correct log message field ordering
Merge pull request #12946 from cvrebert/patch-1

rm dead code in clouds.openstack.request_instance()
modules.cloud: add missing import of the `copy` module
Merge pull request #12950 from cvrebert/patch-2

modules.cloud: add missing import of the `copy` module
safe since this function is returned immediately after it is defined
Merge branch 'develop' into with-pylint-pragmas