Ansible Config part2 (#27448)

* Ansible Config part2

- made dump_me nicer, added note this is not prod
- moved internal key removal function to vars
- carry tracebacks in errors we can now show tracebacks for plugins on vvv
- show inventory plugin tracebacks on vvv
- minor fixes to cg groups plugin
- draft config from plugin docs
- made search path warning 'saner' (top level dirs only)
- correctly display config entries and others
- removed unneeded code
- commented out some conn plugin specific from base.yml
- also deprecated sudo/su
- updated ssh conn docs
- shared get option method for connection plugins
- note about needing eval for defaults
- tailored yaml ext
- updated strategy entry
- for connection pliugins, options load on plugin load
- allow for long types in definitions
- better display in ansible-doc
- cleaned up/updated source docs and base.yml
- added many descriptions
- deprecated include toggles as include is
- draft backwards compat get_config
- fixes to ansible-config, added --only-changed
- some code reoorg
- small license headers
- show default in doc type
- pushed module utils details to 5vs
- work w/o config file
- PEPE ATE!
- moved loader to it's own file
- fixed rhn_register test
- fixed boto requirement in make tests
- I ate Pepe
- fixed dynamic eval of defaults
- better doc code

skip ipaddr filter tests when missing netaddr
removed devnull string from config
better becoem resolution

* killed extra space with extreeme prejudice

cause its an affront against all that is holy that 2 spaces touch each other!

shippable timing out on some images, but merging as it passes most

lib/ansible/plugins/lookup/etcd.py

@@ -29,20 +29,24 @@ DOCUMENTATION:
             description:
                 - the list of keys to lookup on the etcd server
             type: list
-            element_type: string
+            elements: string
             required: True
         _etcd_url:
             description:
                 - Environment variable with the url for the etcd server
             default: 'http://127.0.0.1:4001'
-            env_vars:
-                - name: ANSIBLE_ETCD_URL
+            env:
+              - name: ANSIBLE_ETCD_URL
+            yaml:
+              - key: etcd.url
         _etcd_version:
             description:
                 - Environment variable with the etcd protocol version
             default: 'v1'
-            env_vars:
-                - name: ANSIBLE_ETCD_VERSION
+            env:
+              - name: ANSIBLE_ETCD_VERSION
+            yaml:
+              - key: etcd.version
 EXAMPLES:
     - name: "a value from a locally running etcd"
       debug: msg={{ lookup('etcd', 'foo/bar') }}
@@ -50,10 +54,11 @@ EXAMPLES:
     - name: "a values from a folder on a locally running etcd"
       debug: msg={{ lookup('etcd', 'foo') }}
 RETURN:
-    _list:
+    _raw:
         description:
             - list of values associated with input keys
-        type: strings
+        type: list
+        elements: strings
 '''
 from __future__ import (absolute_import, division, print_function)
 __metaclass__ = type