this should return 0 to indicate a non-failure when check_mode is True
Restore #6484 reverted by c751168.
Fix typo in playbook roles doc
Added examples to the shell module
Added examples to the command module
Remove redundant 'self.user or' added by 0f91add
Merge pull request #7909 from Elemecca/t-apt-list

Restore #6484 (YAML lists in apt) reverted by c751168.
Merge pull request #7912 from adrienbrault/patch-1

Fix typo in playbook roles doc
Merge pull request #7915 from gitaarik/devel

Add examples for `shell` and `command` modules.
Merge pull request #7249 from jfchevrette/implement-group-checking-if-state-present

Allow group module to handle check_mode properly when group.state=present and group already exists
Updating the other classes in the group module to match #7249
Check to make sure key exists in tag list before using it

Fixes #7910
fixes the now-incorrect module for ApiError

https://github.com/dotcloud/docker-py/blob/0.3.2/docker/errors.py
- ApiError is now(0.3.2) under the docker.errors
support old and new versions of APIError
grammar fix
apt_key clear message when downloading key returns an (http) error code
In the yum module example, use present/absent instead of installed/removed
Fix missing code block in playbook variables doc

A code sample was not being rendered as a code block. This adds the preceding '::' reStructuredText markup.
Change safe_eval to a strict white list
Fix small typographic error