ansible/ansible — pull request #8997 by dooblem (2014-09-13 16:48:29+00:00)
Title: Fix hostname update on CentOS 6

The actual code fails with the following error on centos 6:
```
$ ansible xxxxxx -m hostname -a 'name=toto'
195.154.117.15 | FAILED >> {
"failed": true,
"msg": "Command failed rc=127, out=, err=/bin/sh: hostnamectl: command not found\n"
}
```