added header

vagrant/Vagrantfile

@@ -1,3 +1,24 @@
+#========================================================================
+# Author: Edoardo Pasca, Ben Thomas
+# Copyright 2018 University College London
+# Copyright 2018 Science Technology Facilities Council
+#
+# This file is part of the CCP PETMR Synergistic Image Reconstruction Framework (SIRF) virtual machine.
+#
+# Licensed 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.txt
+#
+# 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.
+#
+#=========================================================================
+
 Vagrant.configure("2") do |config|
   config.vm.box = "ubuntu/xenial64"
   config.vm.synced_folder '.', '/vagrant', disabled: true