add vendoring with go dep

vendor/github.com/vmware/govmomi/gen/gen.sh

@@ -0,0 +1,53 @@
+#!/bin/bash
+
+# Copyright (c) 2014 VMware, Inc. All Rights Reserved.
+#
+# 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
+#
+# 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.
+
+set -e
+
+generate() {
+  dst="$1"
+  wsdl="$2"
+  modl="$3"
+
+  pkgs=(types methods)
+  if [ -n "$modl" ] ; then
+    pkgs+=(mo)
+  fi
+
+  for p in "${pkgs[@]}"
+  do
+    mkdir -p "$dst/$p"
+  done
+
+  echo "generating $dst/..."
+
+  bundle exec ruby gen_from_wsdl.rb "$dst" "$wsdl"
+  if [ -n "$modl" ] ; then
+    bundle exec ruby gen_from_vmodl.rb "$dst" "$wsdl" "$modl"
+  fi
+
+  for p in "${pkgs[@]}"
+  do
+    pushd "$dst/$p" >/dev/null
+    goimports -w ./*.go
+    go install
+    popd >/dev/null
+  done
+}
+
+# ./sdk/ contains the contents of wsdl.zip from vimbase build 5037323
+
+generate "../vim25" "vim" "./rbvmomi/vmodl.db" # from github.com/vmware/rbvmomi@f6907e6
+generate "../pbm" "pbm"