[18.03] Fix docker version output alignment

[thaJeztah]

Use tabwriter to print the version output

backport of docker/cli#965 for 18.03

git checkout -b 18.03-backport-fix-version-output upstream/18.03
git cherry-pick -s -S -x -Xsubtree=components/cli 48eb7a082dfcca6b16a3466a98cd27b04deb07c7
git push -u origin 18.03-backport-fix-version-output

no conflicts

[thaJeztah]

ping @tiborvass @cpuguy83 PTAL

[cpuguy83]

LGTM

[jose-bigio]

Listing failures for record keeping purposes (It doesn't seem like this Pull Request should fail ANY tests).

Failed CE tests with:

14:46:59 ----------------------------------------------------------------------
14:46:59 FAIL: check_test.go:366: DockerSwarmSuite.TearDownTest
14:46:59 
14:46:59 unmount of /tmp/docker-execroot/d9066c900e1bb/netns failed: invalid argument
14:46:59 unmount of /tmp/docker-execroot/d9066c900e1bb/netns failed: no such file or directory
14:46:59 check_test.go:371:
14:46:59     d.Stop(c)
14:46:59 daemon/daemon.go:389:
14:46:59     t.Fatalf("Error while stopping the daemon %s : %v", d.id, err)
14:46:59 ... Error: Error while stopping the daemon d2753ddbcb6d9 : exit status 130
14:46:59 
14:46:59 
14:46:59 ----------------------------------------------------------------------

and

8 ----------------------------------------------------------------------
07:25:28 FAIL: docker_cli_swarm_test.go:248: DockerSwarmSuite.TestSwarmNodeTaskListFilter
07:25:28 
07:25:28 [d992e47897dcf] waiting for daemon to start
07:25:28 [d992e47897dcf] daemon started
07:25:28 
07:25:28 docker_cli_swarm_test.go:257:
07:25:28     // make sure task has been deployed.
07:25:28     waitAndAssert(c, defaultReconciliationTimeout, d.CheckActiveContainerCount, checker.Equals, 3)
07:25:28 docker_utils_test.go:465:
07:25:28     c.Assert(v, checker, args...)
07:25:28 ... obtained int = 1
07:25:28 ... expected int = 3
07:25:28 ... output: "69a4caa37ff2\n"
07:25:28 
07:25:28 [d992e47897dcf] exiting daemon
07:30:24 sh: echo: I/O error
07:30:31 --- FAIL: Test (1811.84s)

For PowerPC

[thaJeztah]

17:13:18 runner/runner.go:12:2: cannot find package "gopkg.in/fsnotify.v1" in any of:
17:13:18 	/usr/local/go/src/gopkg.in/fsnotify.v1 (from $GOROOT)
17:13:18 	/go/src/gopkg.in/fsnotify.v1 (from $GOPATH)

Should be resolved so just needs to be restarted in CI

[thaJeztah]

hm, odd failure on s390x; https://jenkins.dockerproject.org/job/docker-ce-pr-s390x/543/execution/node/321/log/?consoleFull

06:31:44 ----------------------------------------------------------------------
06:31:44 FAIL: docker_cli_logs_test.go:19: DockerSuite.TestLogsContainerSmallerThanPage
06:31:44 
06:31:44 docker_cli_logs_test.go:20:
06:31:44     testLogsContainerPagination(c, 32767)
06:31:44 docker_cli_logs_test.go:38:
06:31:44     c.Assert(out, checker.HasLen, testLen+1)
06:31:44 ... obtained string = ""
06:31:44 ... n int = 32768
06:31:44 
06:31:46 

could actually be fixed by another PR, let me check on that one