Make vision deploy script more picky

Change-Id: I6962f2a5ca30d2cd9386841f60ea464c9b93351a
diff --git a/y2018/vision/deploy.sh b/y2018/vision/deploy.sh
index b2fa3d2..ba9d40d 100755
--- a/y2018/vision/deploy.sh
+++ b/y2018/vision/deploy.sh
@@ -1,5 +1,7 @@
 #!/bin/bash
 
+set -e
+
 JETSON="root@$1"
 
 # To build for the Jetson, use