Add spaces between sentences in formatted docs.

Increases readability when using `ansible-doc`.
Fixes 8362, returns stderr if No space left on device
Replace all occurrences of "Digital Ocean" with "DigitalOcean"
WIP on fact caching docs.
Rename some INI keys for fact caching defaults
Merge pull request #7462 from chamill/devel

Add spaces between sentences in formatted docs.
Fixing broken patch 20957a1

Also adds integration tests for nested includes with conditionals
ansible-vault view - new command
Fix comments and error message
Keep things alphabetical in vault option list.
Update CHANGELOG
Merge pull request #8525 from kamaln7/patch-1

Replace all occurrences of "Digital Ocean" with "DigitalOcean"
Copy recursion works when source is a parameter, there is no parameter 'recurse' here.
If ansible and ansible-playbook accept a script for --vault-password-file so should ansible-vault
Set special vars in play.vars rather than load_vars

Also refactors playbook loading code relating to vars in playbooks
to a sub-function.

Fixes #8534
Adding extra member to mock inventory for unittests
Merge pull request #8458 from Jmainguy/runner_8404

Fixes 8362, returns stderr if No space left on device
Fix typo in CHANGELOG.md

This change occured int he ec2 module, not ec2_vol
Merge pull request #8569 from drewblas/patch-2

Fix typo in CHANGELOG.md
Make sure playbook_dir variable is an absolute path

Fixes #8317