CRM-10360 - REST API will now bootstrap when call submitted with entity/action params.

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* CRM-10360: Hook doesn't run with v3 API extern REST interface
  http://issues.civicrm.org/jira/browse/CRM-10360
Merge pull request #519 from colbyw/fixBootstrap

CRM-10360 - REST API will now bootstrap when call submitted with entity/action params.