Revert "Don't use retries for puppet deployments by default"

Instead of just setup zero retries we should give ability to
changing this parameter explicitly using web interface or fuel
cli

Related-Bug: #1510912
This reverts commit c145db3476.

Change-Id: I8d3b98d66df19f070f6b06134869248a7c3d45fc

lib/astute/config.rb

@@ -58,7 +58,7 @@ module Astute
     conf[:puppet_timeout] = 90 * 60       # maximum time it waits for single puppet run
     conf[:puppet_deploy_interval] = 2     # sleep for ## sec, then check puppet status again
     conf[:puppet_fade_timeout] = 120      # how long it can take for puppet to exit after dumping to last_run_summary
-    conf[:puppet_retries] = 0             # how many times astute will try to run puppet
+    conf[:puppet_retries] = 2             # how many times astute will try to run puppet
     conf[:mc_retries] = 10                # MClient tries to call mcagent before failure
     conf[:mc_retry_interval] = 1          # MClient sleeps for ## sec between retries
     conf[:puppet_fade_interval] = 30      # retry every ## seconds to check puppet state if it was running