builder/virtualbox/iso: rename package

builder/virtualbox/iso/artifact.go

-package virtualbox
+package iso
 
 import (
 	"fmt"

builder/virtualbox/iso/builder.go

-package virtualbox
+package iso
 
 import (
 	"errors"

builder/virtualbox/iso/builder_test.go

-package virtualbox
+package iso
 
 import (
 	"github.com/mitchellh/packer/packer"

builder/virtualbox/iso/driver.go

-package virtualbox
+package iso
 
 import (
 	"bytes"

builder/virtualbox/iso/ssh.go

-package virtualbox
+package iso
 
 import (
 	gossh "code.google.com/p/go.crypto/ssh"

builder/virtualbox/iso/step_attach_floppy.go

-package virtualbox
+package iso
 
 import (
 	"fmt"

builder/virtualbox/iso/step_attach_guest_additions.go

-package virtualbox
+package iso
 
 import (
 	"fmt"

builder/virtualbox/iso/step_attach_iso.go

-package virtualbox
+package iso
 
 import (
 	"fmt"

builder/virtualbox/iso/step_create_disk.go

-package virtualbox
+package iso
 
 import (
 	"fmt"

builder/virtualbox/iso/step_create_vm.go

-package virtualbox
+package iso
 
 import (
 	"fmt"

builder/virtualbox/iso/step_download_guest_additions.go

-package virtualbox
+package iso
 
 import (
 	"bytes"

builder/virtualbox/iso/step_export.go

-package virtualbox
+package iso
 
 import (
 	"fmt"

builder/virtualbox/iso/step_forward_ssh.go

-package virtualbox
+package iso
 
 import (
 	"fmt"

builder/virtualbox/iso/step_http_server.go

-package virtualbox
+package iso
 
 import (
 	"fmt"

builder/virtualbox/iso/step_prepare_output_dir.go

-package virtualbox
+package iso
 
 import (
 	"fmt"

builder/virtualbox/iso/step_remove_devices.go

-package virtualbox
+package iso
 
 import (
 	"fmt"

builder/virtualbox/iso/step_run.go

-package virtualbox
+package iso
 
 import (
 	"fmt"

builder/virtualbox/iso/step_shutdown.go

-package virtualbox
+package iso
 
 import (
 	"errors"

builder/virtualbox/iso/step_suppress_messages.go

-package virtualbox
+package iso
 
 import (
 	"fmt"

builder/virtualbox/iso/step_type_boot_command.go

-package virtualbox
+package iso
 
 import (
 	"fmt"

builder/virtualbox/iso/step_upload_guest_additions.go

-package virtualbox
+package iso
 
 import (
 	"fmt"

builder/virtualbox/iso/step_upload_version.go

-package virtualbox
+package iso
 
 import (
 	"bytes"

builder/virtualbox/iso/step_vboxmanage.go

-package virtualbox
+package iso
 
 import (
 	"fmt"