updated to push SSH keys to the compute nodes

Change-Id: I55dda3a1e04380263577c32ee702256f60d9133a
diff --git a/roles/compute-node/files/99-cord-sudoers b/roles/compute-node/files/99-cord-sudoers
new file mode 100644
index 0000000..2a00bee
--- /dev/null
+++ b/roles/compute-node/files/99-cord-sudoers
@@ -0,0 +1 @@
+ubuntu ALL=(ALL:ALL) NOPASSWD:ALL