Refactor phone type CRM-12464

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* CRM-12464: Search improvements in 4.4
  http://issues.civicrm.org/jira/browse/CRM-12464
Refactor cache flush CRM-12464

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* CRM-12464: Search improvements in 4.4
  http://issues.civicrm.org/jira/browse/CRM-12464
Support additional options for pseudoConstant::get CRM-12464

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* CRM-12464: Search improvements in 4.4
  http://issues.civicrm.org/jira/browse/CRM-12464