fix progress message in client
Print the container id before the hijack in `docker run` (see also #804)

This is useful when you want to get the container id before you start to
interact with stdin (which is what I'm doing in dotcloud/sandbox).
bump to master
Merge pull request #812 from dotcloud/809-progress_message-fix

* Remote API: Fix progress message in client
Merge pull request #822 from lopter/master

* Client: Print the container id before the hijack in `docker run` (see also #804)