Description of problem:
Recently katello/ping returns 0 for a case when candlepin service is off.

Version-Release number of selected component (if applicable):
recent katello: katello-0.1.110-2.el6.x86_64

How reproducible:
always on stopped tomcat6

Steps to Reproduce:
1. service tomcat6 stop;
2. curl -sk -uadmin:admin https://<fqdn>/katello/api/ping/ 
3. echo $?
  
Actual results:
0

Expected results:
non zero value.

Additional info:
Output from katello ping command:
---
{"result":"fail","status":{"pulp":{"result":"ok","duration_ms":"61"},"candlepin_auth":{"result":"fail","message":"Connection refused - connect(2)"},"pulp_auth":{"result":"ok","duration_ms":"64"},"candlepin":{"result":"fail","message":"Connection refused - connect(2)"}}}