Merge pull request #6649 from vieux/fix_api_return_codes_start_stop

return 304 is status isn't modified in start and stop

docs/sources/reference/api/docker_remote_api.md

@@ -21,7 +21,7 @@ page_keywords: API, Docker, rcli, REST, documentation
 The current version of the API is v1.13
 
 Calling `/images/<name>/insert` is the same as calling
-`/v1.12/images/<name>/insert`.
+`/v1.13/images/<name>/insert`.
 
 You can still call an old version of the API using
 `/v1.12/images/<name>/insert`.
@@ -38,6 +38,12 @@ You can still call an old version of the API using
 `Sockets` parameter added to the `/info` endpoint listing all the sockets the 
 daemon is configured to listen on.
 
+`POST /containers/(name)/start`
+`POST /containers/(name)/stop`
+
+**New!**
+`start` and `stop` will now return 304 if the container's status is not modified
+
 ## v1.12
 
 ### Full Documentation

docs/sources/reference/api/docker_remote_api_v1.13.md

@@ -429,6 +429,7 @@ Start the container `id`
     Status Codes:
 
     -   **204** – no error
+    -   **304** – container already started
     -   **404** – no such container
     -   **500** – server error
 
@@ -455,6 +456,7 @@ Stop the container `id`
     Status Codes:
 
     -   **204** – no error
+    -   **304** – container already stopped
     -   **404** – no such container
     -   **500** – server error