CRM-14656 - Add contact ID A and B and relationship ID to Relationship report, and some field title cleanup for consistency.

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* CRM-14656:
  https://issues.civicrm.org/jira/browse/CRM-14656
Merge pull request #3199 from davecivicrm/CRM-14656

CRM-14656 - Add contact ID A and B and relationship ID to Relationship r...