CRM-11245 - Reworked the patch to use the configured date format.

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* CRM-11245: Display more information in the "Event Name" autocomplete when searching
  http://issues.civicrm.org/jira/browse/CRM-11245
Merge pull request #1804 from davecivicrm/CRM-11245

CRM-11245 - Reworked the patch to use the configured date format.