api_v3_SyntaxConformanceTest - Work-around problem with MembershipBlock
CRM-15158 - Fix handling of payments in Refund workflows.

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* CRM-15158:
  https://issues.civicrm.org/jira/browse/CRM-15158
Prevent double confirm box when deleting attachments
Merge pull request #3992 from colemanw/Prevent

Prevent double confirm box when deleting attachments
Merge pull request #3983 from totten/4.5-memblock-err

api_v3_SyntaxConformanceTest - Work-around problem with MembershipBlock
Merge pull request #3990 from davecivicrm/CRM-15158

CRM-15158 - Fix handling of payments in Refund workflows.