dotcloud/docker — pull request #3719 by cheneydeng (2014-01-22 10:01:03+00:00)
Title: merge source content and target content

now the bind and volumes-from are only support "mount bind" the user provided volumes or host contents into the target,sometimes,we need more than that,we want to merge the source contents and the target contents.

here is the issue:https://github.com/dotcloud/docker/issues/3710