Lookups: use Ansible's config manager whenever possible (#5440)

* Start using Ansible's config manager to handle options.

* Docs improvements.

* Fix documentation, make options actual lookup options.

* The cyberarkpassword lookup does too strange things.

* The onepassword lookups are converted in #4728, let's not interfere.

* Improve docs.

* Skip shelvefile as well.

* Convert lmdb_kv.

* Convert and fix credstash.

* Convert manifold.

* Drop chef_databag.

* Convert dig.

* Update examples.

* Forgot the most important part.

* Fix lmdb_kv docs.

* Python 2.6 compatibility.

* Convert AnsibleUnicode to str.

* Load lookup with lookup loader.

* Fix environment handling and error message checking.

* Improve docs formatting.

plugins/lookup/cyberarkpassword.py

@@ -174,7 +174,6 @@ class LookupModule(LookupBase):
     """
 
     def run(self, terms, variables=None, **kwargs):
-
         display.vvvv("%s" % terms)
         if isinstance(terms, list):
             return_values = []