CRM-14528 http test returned 301 redirect to https://civicrm.org

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* CRM-14528: CRM_Utils_HttpClientTest gets redirect instead of expected file
  https://issues.civicrm.org/jira/browse/CRM-14528
Merge pull request #2957 from agh1/fix-http-test

CRM-14528 http test returned 301 redirect to https://civicrm.org