fix the broken link to view all the contributions for a contact, CRM-12506

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* CRM-12506: Contact Contribution tab will not show more than 50 contributions
  http://issues.civicrm.org/jira/browse/CRM-12506
Merge pull request #2299 from kurund/CRM-12506

fix the broken link to view all the contributions for a contact, CRM-125...