Support args to RunCommand Fix docker help text test. Fix for ipv6 tests. Fix TLSverify option. Fix TestDaemonDiscoveryBackendConfigReload Use tempfile for another test. Restore missing flag. Fix tests for removal of shlex. Signed-off-by: Daniel Nephin <dnephin@docker.com> Upstream-commit: 6e7405ebd4df360bc84f651c977ece31283eb3ee Component: engine