dockerversion placeholder for library-import

- Move autogen/dockerversion to version
- Update autogen and "builds" to use this package and a build flag

Signed-off-by: Vincent Demeester <vincent@sbr.pm>
Upstream-commit: d5cd032a86617249eadd7142227c5355ba9164b4
Component: engine

components/engine/integration-cli/docker_api_version_test.go

@@ -5,8 +5,8 @@ import (
 	"net/http"
 
 	"github.com/docker/docker/api/types"
-	"github.com/docker/docker/autogen/dockerversion"
 	"github.com/docker/docker/pkg/integration/checker"
+	"github.com/docker/docker/version"
 	"github.com/go-check/check"
 )
 
@@ -19,5 +19,5 @@ func (s *DockerSuite) TestGetVersion(c *check.C) {
 
 	c.Assert(json.Unmarshal(body, &v), checker.IsNil)
 
-	c.Assert(v.Version, checker.Equals, dockerversion.VERSION, check.Commentf("Version mismatch"))
+	c.Assert(v.Version, checker.Equals, version.VERSION, check.Commentf("Version mismatch"))
 }