CRM-14093 - add CRM.api3 to rest.js
CRM-14093 - CRM-13817 - Tag js - convert to use CRM.api3 and CRM.status
CRM-13817 - CRM.status - hide if no endMsg
CRM-14093 - prefetch searchBuilder options in bulk using CRM.api3
CRM-14093 - add php & js unit tests for mutiple api call syntax
Merge pull request #2379 from colemanw/api3

CRM-14093 - add CRM.api3 to rest.js