add vendoring with go dep

vendor/github.com/vmware/govmomi/scripts/debug-xmlformat.sh

@@ -0,0 +1,18 @@
+#!/bin/bash -e
+
+# pipe the most recent debug run to xmlformat
+cd ${GOVC_DEBUG_PATH-"$HOME/.govmomi/debug"}
+cd $(ls -t | head -1)
+
+header() {
+    printf "<!-- %s %s/%s\n%s\n-->\n" "$1" "$PWD" "$2" "$(tr -d '\r' < "$3")"
+}
+
+for file in *.req.xml; do
+    base=$(basename "$file" .req.xml)
+    header Request "$file" "${base}.req.headers"
+    xmlformat < "$file"
+    file="${base}.res.xml"
+    header Response "$file" "${base}.res.headers"
+    xmlformat < "$file"
+done