Add KernelMemory to API changelog

Commit 9bd8a9b66bb493026599d22c7637909cb460d039
added KernelMemory to the API, but forgot
to include this in the API changelog.

This adds the missing entry in the API
changelog.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

docs/reference/api/docker_remote_api.md

@@ -236,6 +236,7 @@ This section lists each version from latest to oldest.  Each listing includes a
 * `GET /info` now lists engine version information and return the information of `CPUShares` and `Cpuset`.
 * `GET /containers/json` will return `ImageID` of the image used by container.
 * `POST /exec/(name)/start` will now return an HTTP 409 when the container is either stopped or paused.
+* `POST /containers/create` now takes `KernelMemory` in HostConfig to specify kernel memory limit.
 * `GET /containers/(name)/json` now accepts a `size` parameter. Setting this parameter to '1' returns container size information in the `SizeRw` and `SizeRootFs` fields.
 * `GET /containers/(name)/json` now returns a `NetworkSettings.Networks` field,
   detailing network settings per network. This field deprecates the