Brian Goff 6e0cdaf81e Support mount opts for local volume driver ...

Allows users to submit options similar to the `mount` command when
creating a volume with the `local` volume driver.

For example:

```go
$ docker volume create -d local --opt type=nfs --opt device=myNfsServer:/data --opt o=noatime,nosuid
```

Signed-off-by: Brian Goff <cpuguy83@gmail.com>
Upstream-commit: b1bac487a6
Component: cli

2017-06-02 00:07:31 +00:00

..

cli

Support mount opts for local volume driver

2017-06-02 00:07:31 +00:00