add _global.rst and update systemvm URLs and version
diff --git a/source/_global.rst b/source/_global.rst
new file mode 100644
index 0000000..0a358f8
--- /dev/null
+++ b/source/_global.rst
@@ -0,0 +1,28 @@
+.. Licensed to the Apache Software Foundation (ASF) under one
+   or more contributor license agreements.  See the NOTICE file
+   distributed with this work for additional information#
+   regarding copyright ownership.  The ASF licenses this file
+   to you under the Apache License, Version 2.0 (the
+   "License"); you may not use this file except in compliance
+   with the License.  You may obtain a copy of the License at
+   http://www.apache.org/licenses/LICENSE-2.0
+   Unless required by applicable law or agreed to in writing,
+   software distributed under the License is distributed on an
+   "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+   KIND, either express or implied.  See the License for the
+   specific language governing permissions and limitations
+   under the License.
+
+
+.. This file contain Variables shared across other .rst files in this project
+
+
+.. _CloudStack Installation Guide: http://docs.cloudstack.apache.org/projects/cloudstack-installation
+.. _CloudStack Administrator's Guide: http://docs.cloudstack.apache.org/projects/cloudstack-administration
+.. _CloudStack Apidocs: http://cloudstack.apache.org/docs/api/
+
+.. Latest version systemvm template URL
+.. |sysvm64-url-xen|    replace:: http://cloudstack.apt-get.eu/systemvm/4.5/systemvm64template-4.5-xen.vhd.bz2
+.. |sysvm64-url-kvm|    replace:: http://cloudstack.apt-get.eu/systemvm/4.5/systemvm64template-4.5-kvm.qcow2.bz2
+.. |sysvm64-url-vmware| replace:: http://cloudstack.apt-get.eu/systemvm/4.5/systemvm64template-4.5-vmware.ova
+.. |sysvm64-url-hyperv| replace:: http://cloudstack.apt-get.eu/systemvm/4.5/systemvm64template-4.5-hyperv.vhd.zip
diff --git a/source/systemvm.rst b/source/systemvm.rst
index 235c62e..cc5267c 100644
--- a/source/systemvm.rst
+++ b/source/systemvm.rst
@@ -30,13 +30,13 @@
 The System VMs come from a single template. The System VM has the
 following characteristics:
 
--  Debian 6.0 ("Squeeze"), 2.6.32 kernel with the latest security
+-  Debian 7.8 ("wheezy"), 3.2.0 kernel with the latest security
    patches from the Debian security APT repository
 
 -  Has a minimal set of packages installed thereby reducing the attack
    surface
 
--  32-bit for enhanced performance on Xen/VMWare
+-  64-bit for enhanced performance on Xen/VMWare
 
 -  pvops kernel with Xen PV drivers, KVM virtio drivers, and VMware
    tools for optimum performance on all hypervisors
@@ -53,9 +53,8 @@
 Changing the Default System VM Template
 ---------------------------------------
 
-CloudStack allows you to change the default 32-bit System VM template to
-64-bit one. Using the 64-bit template, upgrade the virtual router to
-manage larger number of connection in your network.
+Using the 64-bit template should be use with a System Offering of at least 512MB
+of memory.
 
 #. Based on the hypervisor you use, download the 64-bit template from
    the following location:
@@ -65,8 +64,10 @@
    ==========  ================================================================================================
    Hypervisor  Download Location
    ==========  ================================================================================================
-   XenServer   http://download.cloud.com/templates/4.2/64bit/systemvmtemplate64-2013-07-15-master-xen.vhd.bz2
-   KVM         http://download.cloud.com/templates/4.2/64bit/systemvmtemplate64-2013-07-15-master-kvm.qcow2.bz2
+   XenServer   |sysvm64-url-xen|
+   KVM         |sysvm64-url-kvm|
+   VMware      |sysvm64-url-vmware|
+   Hyper-V     |sysvm64-url-hyperv|
    ==========  ================================================================================================
 
 #. As an administrator, log in to the CloudStack UI