Update profile APIs doc

1. update some outputs field
2. update request params
3. update response params
4. update samples

Change-Id: Ibc2845633dc35e7c789578237bb219017f814c50

api-ref/source/profiles.inc

@@ -31,13 +31,16 @@ Request Parameters
 .. rest_parameters:: parameters.yaml
 
   - OpenStack-API-Version: microversion
+  - global_project: global_project
   - limit: limit
   - marker: marker
-  - sort: sort
-  - global_project: global_project
   - name: name_query
+  - sort: sort
   - type: type_query
 
+The sorting keys include ``name``, ``type``, ``created_at`` and
+``updated_at``.
+
 Response Parameters
 -------------------
 
@@ -46,6 +49,7 @@ Response Parameters
   - X-OpenStack-Request-Id: request_id
   - profiles: profiles
   - created_at: created_at
+  - domain: domain
   - id: profile_id
   - metadata: metadata
   - name: name
@@ -333,6 +337,7 @@ The response contains properties as if the profile is created.
 .. rest_parameters:: parameters.yaml
 
   - X-OpenStack-Request-Id: request_id
+  - profile: profile
   - created_at: created_at
   - domain: domain
   - id: profile_id

api-ref/source/samples/profile-create-response.json

@@ -1,6 +1,6 @@
 {
     "profile": {
-        "created_at": "2016-05-05T10:15:22",
+        "created_at": "2016-05-05T10:15:22Z",
         "domain": null,
         "id": "1d85fc39-7d9a-4f64-9751-b127ef554923",
         "metadata": {},

api-ref/source/samples/profile-list-response.json

@@ -1,7 +1,7 @@
 {
     "profiles": [
         {
-            "created_at": "2016-01-03T16:22:23",
+            "created_at": "2016-01-03T16:22:23Z",
             "domain": null,
             "id": "9e1c6f42-acf5-4688-be2c-8ce954ef0f23",
             "metadata": {},

api-ref/source/samples/profile-show-response.json

@@ -1,6 +1,6 @@
 {
     "profile": {
-        "created_at": "2016-03-10T06:34:56",
+        "created_at": "2016-03-10T06:34:56Z",
         "domain": null,
         "id": "17151d8a-f46f-4541-bde0-db3b207c20d2",
         "metadata": {},

api-ref/source/samples/profile-update-response.json

@@ -1,10 +1,12 @@
 {
     "profile": {
-        "created_at": "2016-03-10T06:34:56",
+        "created_at": "2016-03-10T06:34:56Z",
         "domain": null,
         "id": "17151d8a-f46f-4541-bde0-db3b207c20d2",
-        "metadata": {},
-        "name": "PF20",
+        "metadata": {
+            "key": "value"
+        },
+        "name": "new-name",
         "project": "42d9e9663331431f97b75e25136307ff",
         "spec": {
             "properties": {
@@ -22,7 +24,7 @@
             "version": 1.0
         },
         "type": "os.nova.server-1.0",
-        "updated_at": "2016-03-11T05:10:11",
+        "updated_at": "2016-03-11T05:10:11Z",
         "user": "5e5bf8027826429c96af157f68dc9072"
     }
 }