docker/docker — pull request #9512 by duglin (2014-12-04 22:11:43+00:00)
Title: Make 'docker build' send non-err output to stdout

Right now 'docker build' will send:
Sending build context to Docker daemon
to stderr, instead of stdout. This PR fixes that.

I looked in the rest of api/client/commands.go for other cases
that might do this and only one jumped out at me:
https://github.com/docker/docker/blob/master/api/client/commands.go#L2202
but I think if I changed that to go to stdout then it'll mess people up
who are expecting just the container ID to be printed to the screen and
there is no --quiet type of flag we can check.

Closes #9404

Signed-off-by: Doug Davis