CRM-13241 add financial_type to contribution tokens

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* CRM-13241: Thank You Letter for Contributions - Tokens details missing -getContributionTokenDetails
  http://issues.civicrm.org/jira/browse/CRM-13241
Merge pull request #1463 from davecivicrm/CRM-13241

CRM-13241 add financial_type to contribution tokens