The EDITOR environment variable is used to create and edit files in the vault.
But if the EDITOR variable contains parameters, subprocess.call() breaks.

This fixes the EDITOR environment variable to be safely split into a list.
It adds a dependency on shlex.

Fixed bug that occurred when pkgsite not specified

Update example to include delete on termination

Fix domain name in slack module

apt_repository: autoinstall python-apt if not available

Fixes #6557

A module for notifications through the Slack.com platform

add param to note example for ssh-keyscan

This fixes an issue related to the new run_command changes, whereby
Popen fails to run a command when an executable is specified + shell=False
and there are multiple positional arguments (see Popen docs for details)

homebrew: state=head includes --HEAD

hostnames in the known hosts file are typically stored as Hashed values, calling 'ssh-keyscan' with '-H' changes to output to the Hashed format so that the known_hosts file looks more consistent

Fixes #6546

Changes include:

 * Update Makefile to use credentials.yml when it exists
 * Add details on the use of the credentials.yml file to README.md.
 * Update credentials.template comments

Also, fixed a bug where the tags were being merged into the wrong
data structure (passed_vars) in _build_role_dependencies()

Fixes #6439
Fixes #5709

This module can send messages through Slack.com, and supports all options
available in the "incoming webhook integration".

- text
- channel
- username
- icon_url / icon_emoji
- link_names
- parse

allows for --HEAD to be included in brew install command

Fix for hostkey directory

Remove dependency on pycurl in apt_repository

Pass through vault_password when parsing host/group vars as directories.

Add space after full stop in ansible-galaxy help

adding -K flag for ask-sudo-pass to ansible-pull