Merge pull request #8101 from jfrazelle/6974-correct-ct-json-stream

Change content-type for json stream to application/x-json-stream.

docs/sources/reference/api/docker_remote_api.md

@@ -37,6 +37,12 @@ You can still call an old version of the API using
 
 ### What's new
 
+`POST /build`
+`GET /events`
+
+**New!**
+Now has header: `Content-Type: application/x-json-stream`.
+
 ## v1.14
 
 ### Full Documentation

docs/sources/reference/api/docker_remote_api_v1.15.md

@@ -1052,7 +1052,7 @@ Build an image from Dockerfile via stdin
 **Example response**:
 
         HTTP/1.1 200 OK
-        Content-Type: application/json
+        Content-Type: application/x-json-stream
 
         {"stream":"Step 1..."}
         {"stream":"..."}
@@ -1279,7 +1279,7 @@ via polling (using since)
 **Example response**:
 
         HTTP/1.1 200 OK
-        Content-Type: application/json
+        Content-Type: application/x-json-stream
 
         {"status":"create","id":"dfdf82bd3881","from":"base:latest","time":1374067924}
         {"status":"start","id":"dfdf82bd3881","from":"base:latest","time":1374067924}