SAN-3985; Khronos Cleanup Every 3 Hours (#431)

* Set khronos to run every 3 hours.

* Removed retry file, added a new rule to ignore these.

* Set log level back to error.

Author: rsandor

.gitignore

@@ -10,3 +10,5 @@ ca.srl
 .DS_Store
 ansible/roles/hipache/templates/runnable*
 ansible/certs/*
+*.retry
+

ansible/roles/khronos/tasks/main.yml

@@ -21,7 +21,7 @@
   with_items:
   - name: Khronos CLI - Daily Cleanup
     minute: 13
-    hour: 1,7,13,19
+    hour: 1,4,7,10,13,16,19,22
     script: main-cron.sh
   - name: Khronos CLI - Canary
     minute: "*/5"