Attempting to make SSH more robust

Change-Id: I7555198d5e0266c309206463c4e916c983d21c1a
diff --git a/group_vars/all b/group_vars/all
new file mode 100644
index 0000000..4f71380
--- /dev/null
+++ b/group_vars/all
@@ -0,0 +1,3 @@
+---
+# file: group_vars/all
+ansible_ssh_common_args: "-o ConnectionAttempts=20"
\ No newline at end of file