add vendoring with go dep

vendor/github.com/vmware/govmomi/govc/examples/lib/ssh.sh

@@ -0,0 +1,44 @@
+function public-key {
+  local dir=${HOME}/.ssh
+
+  for f in $HOME/.ssh/{id_{rsa,dsa},*}.pub; do
+    if [ -r $f ]; then
+      echo $f
+      return
+    fi
+  done
+
+  echo "Can't find public key file..."
+  exit 1
+}
+
+PUBLIC_KEY_FILE=${PUBLIC_KEY_FILE-$(public-key)}
+SSH_OPTS="-oStrictHostKeyChecking=no -oUserKnownHostsFile=/dev/null -oLogLevel=quiet"
+
+function upload-public-key {
+  local vm_name=$1
+  local dir=$2
+
+  if [ -z "$dir" ]
+  then
+    uid=$(echo $GOVC_GUEST_LOGIN | awk -F: '{print $1}')
+    dir=$(govc guest.getenv -vm ${vm_name} HOME | awk -F= '{print $2}')
+
+    if [ -z "$dir" ]
+    then
+      echo "Can't find ${uid}'s HOME dir..."
+      exit 1
+    fi
+  fi
+
+  govc guest.mkdir \
+       -vm ${vm_name} \
+       -p \
+       ${dir}/.ssh
+
+  govc guest.upload \
+       -vm ${vm_name} \
+       -f \
+       ${PUBLIC_KEY_FILE} \
+       ${dir}/.ssh/authorized_keys
+}