CRM-13492 - update buildAmount hook code to match price set changes

----------------------------------------
* CRM-13492: buildAmount Hook functionality changed -- difficult to use / undocumented
  http://issues.civicrm.org/jira/browse/CRM-13492
Merge pull request #65 from dlobo/CRM-13492

CRM-13492 - update buildAmount hook code to match price set changes
CRM-13547 - Views3 + Civi 4.4 breaks on adding a country field

http://issues.civicrm.org/jira/browse/CRM-13547
Merge pull request #66 from dlobo/CRM-13547

CRM-13547 - Views3 + Civi 4.4 breaks on adding a country field