Reduce connect and read timeout when pinging the registry (fixes issue #1363)
Merge pull request #1406 from dotcloud/1363-reduce_timeout-fix

Reduce connect and read timeout when pinging the registry (fixes issue #1363)
Use mime types to parse Content-Type
Merge pull request #1394 from crosbymichael/1391-json-requests

Use mime pkg to parse Content-Type
Add cp command and copy api endpoint

The cp command and copy api endpoint allows users
to copy files and or folders from a containers filesystem.

Closes #382
Strip leading forward slash from resource
Move copy command docs to api 1.4 document
Merge pull request #1221 from crosbymichael/cmd-cp

*Client: Add docker cp command and copy api endpoint to copy container files/folders to the host