CRM-15374 fix - Contribution FEES are affecting Balance and Total Paid incorrectly

https://issues.civicrm.org/jira/browse/CRM-15374
Additional fix of CRM-15364

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* CRM-15364: Change Registration Selections: problems handling discounted line items and full options
  https://issues.civicrm.org/jira/browse/CRM-15364
Reverted some code
Merge pull request #4292 from monishdeb/CRM-15374

CRM-15374 fix - Contribution FEES are affecting Balance and Total Paid i...