Enable `docker search` on private docker registry.
The cli interface works similar to other registry related commands:

  docker search foo

... searches for foo on the official hub

  docker search localhost:5000/foo

... does the same for the private reg at localhost:5000

Signed-off-by: Daniel Menet <membership@sontags.ch>
Expand hostname before passing it to NewRegistry()

Signed-off-by: Daniel Menet <membership@sontags.ch>
Enable `docker search` on private docker registry.
The cli interface works similar to other registry related commands:

  docker search foo

... searches for foo on the official hub

  docker search localhost:5000/foo

... does the same for the private reg at localhost:5000

Signed-off-by: Daniel Menet <membership@sontags.ch>
Expand hostname before passing it to NewRegistry()

Signed-off-by: Daniel Menet <membership@sontags.ch>
resolved merge conflict

Signed-off-by: Daniel Menet <membership@sontags.ch>
Merge pull request #7495 from sontags/enable_search_on_private_reg

Enable `docker search` on private docker registry.