CRM-15407 - add fee_amount and net_amount to Dummy processor.

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* CRM-15407:
  https://issues.civicrm.org/jira/browse/CRM-15407
CRM-15374 - exclude fee-related financial_trxn rows from balance calculations and view payments page.

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* CRM-15374:
  https://issues.civicrm.org/jira/browse/CRM-15374
CRM-15374 - Fix new regression on fix for balance calc when options are full.

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* CRM-15374:
  https://issues.civicrm.org/jira/browse/CRM-15374
Merge pull request #4298 from davecivicrm/CRM-15374

CRM-15374 - exclude fee-related financial_trxn rows from balance calcula...
Merge pull request #4294 from davecivicrm/CRM-15407

CRM-15407 - add fee_amount and net_amount to Dummy processor.