api-ref: Correct app credentials auth response

In change I322a40404d8287748fe8c3a8d6dc1256d935d84a we switched from an
'auth_credential_required' field in the response to an 'auth_credential'
object. Correct the api-ref.

While we're alphabetize the response parameters.

Change-Id: Ie5dd375c4922cee895e4dfe25defb70a0b5e21a7
Signed-off-by: Stephen Finucane <sfinucan@redhat.com>

api-ref/source/v3/application-credentials.inc

@@ -151,19 +151,21 @@ Parameters
 .. rest_parameters:: parameters.yaml
 
    - X-Subject-Token: X-Subject-Token
-   - domain: domain
-   - methods: auth_methods
-   - user: user
    - token: token
-   - expires_at: expires_at
-   - project: project
-   - catalog: catalog
-   - roles: roles
+   - application_credential: auth_application_credential_body
+   - application_credential.id: response_application_credential_id_body
+   - application_credential.name: response_application_credential_name_body
+   - application_credential.restricted: response_application_credential_unrestricted_body
    - audit_ids: audit_ids
+   - catalog: catalog
+   - expires_at: expires_at
    - issued_at: issued_at
-   - id: user_id
-   - name: user_name
-   - application_credential_restricted: auth_application_credential_restricted_body
+   - methods: auth_methods
+   - project: project
+   - roles: roles
+   - user: user
+   - user.id: user_id
+   - user.name: user_name
 
 Example
 ~~~~~~~

api-ref/source/v3/parameters.yaml

@@ -500,7 +500,7 @@ auth:
   in: body
   required: true
   type: object
-auth_application_credential_restricted_body:
+auth_application_credential_body:
   description: |
     Whether the application credential is permitted to be used for creating and
     deleting additional application credentials and trusts.

api-ref/source/v3/samples/admin/auth-application-credential-response.json

@@ -1,24 +1,13 @@
 {
     "token": {
-        "is_domain": false,
-        "methods": [
-            "application_credential"
-        ],
-        "roles": [
-            {
-                "id": "df8b7e3bf6fb49e9ba19122da2bae916",
-                "name": "Member"
-            }
-        ],
-        "expires_at": "2018-01-15T22:14:05.000000Z",
-        "project": {
-            "domain": {
-                "id": "default",
-                "name": "Default"
-            },
-            "id": "231c62fb0fbd485b995e8b060c3f0d98",
-            "name": "demo"
+        "application_credential": {
+          "id": "423f19a4ac1e4f48bbb4180756e6eb6c",
+          "name": "monitoring",
+          "restricted": true
         },
+        "audit_ids": [
+            "9JsolhssRzKfyayTIiCRUg"
+        ],
         "catalog": [
             {
                 "endpoints": [
@@ -42,7 +31,26 @@
                 "name": "keystone"
             }
         ],
-        "application_credential_restricted": true,
+        "expires_at": "2018-01-15T22:14:05.000000Z",
+        "is_domain": false,
+        "issued_at": "2018-01-15T21:14:05.000000Z",
+        "methods": [
+            "application_credential"
+        ],
+        "project": {
+            "domain": {
+                "id": "default",
+                "name": "Default"
+            },
+            "id": "231c62fb0fbd485b995e8b060c3f0d98",
+            "name": "demo"
+        },
+        "roles": [
+            {
+                "id": "df8b7e3bf6fb49e9ba19122da2bae916",
+                "name": "Member"
+            }
+        ],
         "user": {
             "password_expires_at": null,
             "domain": {
@@ -51,10 +59,6 @@
             },
             "id": "fd786d56402c4d1691372e7dee0d00b5",
             "name": "demo"
-        },
-        "audit_ids": [
-            "9JsolhssRzKfyayTIiCRUg"
-        ],
-        "issued_at": "2018-01-15T21:14:05.000000Z"
+        }
     }
 }