xen: rename to xen47

Preparatory change in order to import a newer Xen version while
keeping the previous one.

Reviewed by:		bapt
Sponsored by:		Citrix Systems R&D
Differential Revision:	https://reviews.freebsd.org/D16416

MOVED

@@ -10354,3 +10354,6 @@ vietnamese/kde4-l10||2018-07-17|Has expired: broken for more than three years
 graphics/projectm-libvisual|graphics/libprojectm|2018-07-17|Code of projectm-libvisual was merged into graphics/libprojectm
 graphics/yafray|graphics/yafaray|2018-07-20|Project renamed
 lang/spec.alpha||2018-07-21|Unused in the ports tree
+sysutils/xen-tools|sysutils/xen-tools47|2018-07-23|Renamed to support multiple versions
+emulators/xen-kernel|emulators/xen-kernel47|2018-07-23|Renamed to support multiple versions
+emulators/xen||2018-07-23|Removed to support multiple versions

emulators/xen/Makefile

@@ -1,20 +0,0 @@
-# $FreeBSD$
-
-PORTNAME=	xen
-PORTVERSION=	4.7.0
-PORTREVISION=	2
-CATEGORIES=	emulators
-
-MAINTAINER=	royger@FreeBSD.org
-COMMENT=	Xen Hypervisor meta port
-
-LICENSE=	GPLv2
-
-ONLY_FOR_ARCHS=	amd64
-
-RUN_DEPENDS=	/boot/xen:emulators/xen-kernel \
-		xl:sysutils/xen-tools
-
-USES=		metaport
-
-.include <bsd.port.mk>

emulators/xen/pkg-descr

@@ -1,11 +0,0 @@
-The Xen Project hypervisor is an open-source type-1 or baremetal hypervisor,
-which makes it possible to run many instances of an operating system or indeed
-different operating systems in parallel on a single machine (or host). The Xen
-Project hypervisor is the only type-1 hypervisor that is available as open
-source. It is used as the basis for a number of different commercial and open
-source applications, such as: server virtualization, Infrastructure as a Service
-(IaaS), desktop virtualization, security applications, embedded and hardware
-appliances
-
-WWW: http://www.xenproject.org/
-