Add support for checking host against global known host files.
Fixes templating of ansible_ssh_host for delegates
Fix incorrect use of copy on list
Add note about su support
Merge pull request #6256 from angstwad/changes_changes-yo-dawg-i-herd-you-like-changes-so-commited-some-changes-into-changes-so-you-can-diff-while-you-diff

Add note about su support in CHANGELOG
minor typo in playbooks_variables.rst

so so, this should probably be fixed!
Update playbooks_variables.rst

Another minor typo.
Avoid range selection on empty groups

This prevents a traceback when the group is empty.
Fixes #6258
Merge pull request #6259 from arianitu/patch-1

minor typo in playbooks_variables.rst
Update CONTRIBUTING.md

docsite no longer has a subdirectory latest.
Merge pull request #6261 from arianitu/patch-2

Update CONTRIBUTING.md
Merge pull request #6260 from j2sol/6258

Avoid range selection on empty groups
Merge pull request #6248 from hkariti/fix_list_copy

Fix incorrect use of copy() on list, causing a traceback
Merge pull request #6213 from sergevanginderachter/fix-delegate-templating

Fixes templating of ansible_ssh_host for delegates.

Tested that this works. Confirmed.
Merge pull request #6156 from iiordanov/devel

Add support for checking host against global known host files.

The effect of this is that before this fix if files are spread across the known_hosts file but not in the ~/known_hosts file the hosts will execute sequentially. This PR augments the functionality so that all of the knowns hosts will execute in parallel.
Synchronize .deb package version with VERSION file
Merge pull request #6266 from drybjed/update_debian_version

Synchronize .deb package version with VERSION file
Add comment about mod_admin_extra

Fixes issue #6027.
Removes pluralization of manager tag attribute.
Merge pull request #6270 from ToBeReplaced/ejabberd_user_doc

Add comment about mod_admin_extra