Add a -v option for volume mounts
Add a -v option for volume mounts

This option is passed straight to `docker run`.

Signed-off-by: Rob Hoes <8783b3376fb07d39edffc8d7da68a6de3874a7e6@citrix.com>

robhoes/xenserver-build-env,robhoes/xenserver-build-env,lindig/xs-shipyard