pkg/reexec: move reexec code to a new package

Docker-DCO-1.1-Signed-off-by: Cristian Staretu <cristian.staretu@gmail.com> (github: unclejack)

Conflicts:
	integration/runtime_test.go
		fixed imports

daemon/execdriver/lxc/init.go

@@ -13,7 +13,7 @@ import (
 	"strings"
 	"syscall"
 
-	"github.com/docker/docker/reexec"
+	"github.com/docker/docker/pkg/reexec"
 	"github.com/docker/libcontainer/netlink"
 )
 

daemon/execdriver/native/exec.go

@@ -11,7 +11,7 @@ import (
 	"runtime"
 
 	"github.com/docker/docker/daemon/execdriver"
-	"github.com/docker/docker/reexec"
+	"github.com/docker/docker/pkg/reexec"
 	"github.com/docker/libcontainer"
 	"github.com/docker/libcontainer/namespaces"
 )

daemon/execdriver/native/init.go

@@ -10,7 +10,7 @@ import (
 	"path/filepath"
 	"runtime"
 
-	"github.com/docker/docker/reexec"
+	"github.com/docker/docker/pkg/reexec"
 	"github.com/docker/libcontainer"
 	"github.com/docker/libcontainer/namespaces"
 	"github.com/docker/libcontainer/syncpipe"

daemon/networkdriver/portmapper/proxy.go

@@ -14,7 +14,7 @@ import (
 	"time"
 
 	"github.com/docker/docker/pkg/proxy"
-	"github.com/docker/docker/reexec"
+	"github.com/docker/docker/pkg/reexec"
 )
 
 const userlandProxyCommandName = "docker-proxy"

docker/docker.go

@@ -13,7 +13,7 @@ import (
 	"github.com/docker/docker/api/client"
 	"github.com/docker/docker/dockerversion"
 	flag "github.com/docker/docker/pkg/mflag"
-	"github.com/docker/docker/reexec"
+	"github.com/docker/docker/pkg/reexec"
 	"github.com/docker/docker/utils"
 )
 

dockerinit/dockerinit.go

@@ -3,7 +3,7 @@ package main
 import (
 	_ "github.com/docker/docker/daemon/execdriver/lxc"
 	_ "github.com/docker/docker/daemon/execdriver/native"
-	"github.com/docker/docker/reexec"
+	"github.com/docker/docker/pkg/reexec"
 )
 
 func main() {

integration/runtime_test.go

@@ -22,7 +22,7 @@ import (
 	"github.com/docker/docker/nat"
 	"github.com/docker/docker/pkg/ioutils"
 	"github.com/docker/docker/pkg/log"
-	"github.com/docker/docker/reexec"
+	"github.com/docker/docker/pkg/reexec"
 	"github.com/docker/docker/runconfig"
 	"github.com/docker/docker/utils"
 )

pkg/reexec/MAINTAINERS

@@ -0,0 +1 @@
+Michael Crosby <michael@docker.com> (@crosbymichael)