changed "net" to "network" for ohpc, ood, and nodes modules

main.tf

@@ -80,7 +80,7 @@ module "create-ood-instance" {
     image_ood = var.image_ood
     flavor = var.flavor
     key_pair = "${module.import-keypair.keypair_name}"
-    internal_network = var.internal_net
+    internal_network = var.internal_network
     external_network = var.external_network
     floating_ip_ood = "${module.floating-ip-address.ood_address}"
     host_prefix = var.host_prefix