CRM-13707 api test generated examples - fix escaping in output

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* CRM-13707: api\v3\examples\SettingGetFields has syntax errors, due unescaped '
  http://issues.civicrm.org/jira/browse/CRM-13707
Merge pull request #2242 from eileenmcnaughton/CRM-13707

CRM-13707 api test generated examples - fix escaping in output