CRM-13247 add column for Check Number to contribution detail reports.

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* CRM-13247: Add "Check Number" to Display Columns in CiviReport > Contribution Details > Report Criteria
  http://issues.civicrm.org/jira/browse/CRM-13247
Merge pull request #1464 from davecivicrm/CRM-13247

CRM-13247 add column for Check Number to contribution detail reports.