CRM-9877 -  Revert prior patch which was unintentionally removing filters on contact types when creating relationships.

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* CRM-9877: Relationship type ommited in dropdown list when it's for all contacts
  http://issues.civicrm.org/jira/browse/CRM-9877
CRM-9877 - Revert second section of patch.

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* CRM-9877: Relationship type ommited in dropdown list when it's for all contacts
  http://issues.civicrm.org/jira/browse/CRM-9877
Merge pull request #2603 from davecivicrm/CRM-9877

CRM-9877 -  Revert prior patch which was unintentionally removing filter...