Expose the playbook to callback plugins
Allow vault encrypted vars as extra_vars

Forward the vault_password to the yaml file utility.
Improvements to the rax inventory script
Treat 255 errors from raw as dark host

Any other module is able to detect a dark host, but raw was treating 255
as a return code from the module execution, rather from the connection
attempt. This change allows 255 to be treated as a connection failure
when using the raw module.
ssh: propagate prompt to _communicate()

_communicate() uses the prompt variable to detect wrong passwords early,
therefore it needs to be passed to it from exec_command().
Output URL for debugging
Add version_compare filter
Update README.md

Add counter
Update README.md

formatting
Fix a typo in the subversion module documentation
Fixes #6088 turn off sudo and su if the connection is local the sudo user matches the current user
Fixes #6454 verify ec2 key fingerprints
Fixes #6750 Check git subcommand for --remote and expose errors
Addresses #6750 Use --help instead of -
Allow isprintable() util function to work with unicode

Fixes #6842
Add support for shared module documentation fragments
Use PluginLoader for module docs fragments
Use common file argument system previously implemented by @sivel for rax modules on the file modules as well (copy/file/template).
Application to other cloud providers would make very good sense.
rax modules improvements

* Catch issues with invalid regions
* Ensure we send string only data as meta values in the rax module
* Add public_key/lookup example for rax_keypair
* Clean up import statements
Update changelog