New script utils/ansible-doc-test

This script can check modules in roles and also plugins folder to have
a valid documentation section. It is using anisble-doc internally.

    usage: Usage: ansible-doc-test [options] [path]

    optional arguments:
      -h, --help  show this help message and exit
      -v          increase output verbosity

There are different verbose levels:

    -v   Shows the modules that are tested at the moment.
    -vv  Shows the modules and also the doc output.

You can use the script to check specific modules, roles or modules in roles.
Here are some examples:

Test specific module with verbose level 1:
    $ utils/ansible-doc-test -vv plugins/modules/ipauser.py

Test all modules in plugins folder:
    $ utils/ansible-doc-test -v plugins

Test ipaserver_prepare.py in ipaserver role:
    $ utils/ansible-doc-test -v roles/ipaserver/library/ipaserver_prepare.py

Test all modules in ipaserver role:
    $ utils/ansible-doc-test -v roles/ipaserver

Test all roles:
    $ utils/ansible-doc-test -v roles

Test all roles and modules in plugins:
    $ utils/ansible-doc-test -v