CRM-12976 - CRM_Core_DAOTest - Add tests for composeQuery bugs

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* CRM-12976: In field of type Notes - TextArea, data Input of a $  (dollar sign) followed by one or two digits between 1 and 9 will result in deletion of the numbers.
  http://issues.civicrm.org/jira/browse/CRM-12976
Merge pull request #1106 from totten/4.3-composequery-test

CRM-12976 - CRM_Core_DAOTest - Add tests for composeQuery bugs