ciao-launcher, qemu: Upgrade to new context package.

Ciao will use the new standard library context package from now on.
This will allow us to use some of the new standard library functions
such as DialContext.

Partial fix for issue #541

Signed-off-by: Mark Ryan <mark.d.ryan@intel.com>

examples_test.go

@@ -19,8 +19,9 @@ package qemu_test
 import (
 	"time"
 
+	"context"
+
 	"github.com/01org/ciao/qemu"
-	"golang.org/x/net/context"
 )
 
 func Example() {

qemu.go

@@ -29,7 +29,7 @@ import (
 	"os"
 	"os/exec"
 
-	"golang.org/x/net/context"
+	"context"
 )
 
 // LaunchQemu can be used to launch a new qemu instance by invoking the

qmp.go

@@ -26,7 +26,7 @@ import (
 	"net"
 	"time"
 
-	"golang.org/x/net/context"
+	"context"
 )
 
 // QMPLog is a logging interface used by the qemu package to log various

qmp_test.go

@@ -26,7 +26,7 @@ import (
 	"testing"
 	"time"
 
-	"golang.org/x/net/context"
+	"context"
 
 	"github.com/01org/ciao/testutil"
 )