CRM-13158 adding event_type variable to event/info page.

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* CRM-13158: Event Type label should be available for Event Info pages
  http://issues.civicrm.org/jira/browse/CRM-13158
Merge pull request #1342 from davecivicrm/CRM-13158

CRM-13158 adding event_type variable to event/info page.