Zi/disable dead loop retry (#175)

* disable endless retry logic

- we should do the retry logic at application cmd/ro, cmd/ro will need to
  deal with keyboard interrupts as well

* update test self-signed certificate with a expiry of 100 years

* ro tool supports retries after getting delegation errors

README.md

@@ -198,7 +198,7 @@ Example query:
 
 If there aren't enough keys delegated you'll see:
 
-    {"Status":"Need more delegated keys"}
+    {"Status":"need more delegated keys"}
 
 ### Owners