fixes the now-incorrect module for ApiError -- noticed since 0.3.2

apt_key clear message when downloading key returns an (http) error code

Fix missing code block in playbook variables doc

In yum module example, use present/absent instead of installed/removed

grammar fix

Fix small typographic error

A code sample was not being rendered as a code block. This adds the preceding '::' reStructuredText markup.

https://github.com/dotcloud/docker-py/blob/0.3.2/docker/errors.py
- ApiError is now(0.3.2) under the docker.errors

Fixes #7910

Allow group module to handle check_mode properly when group.state=present and group already exists

Add examples for `shell` and `command` modules.

Fix typo in playbook roles doc

Restore #6484 (YAML lists in apt) reverted by c7511688.

Arch PKGBUILD fixes : removes man3 section and adds contributor list

Fixes #7170

At the point the exception is handled, it is likely due to error loading
a sub-template included from main template. Besides file not found, it
can be caused also by include path failing Jinja2 checks. Now, when
rendering the exception from Jinja, it will include exception name. This
will give basic context or *what* the error is.

Fixes #7103
Fixes #7105

Allow 'make rpm' work from a release tarball

mysql_db module now correctly fails on import if bz2 or gz fails.