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
CRM-12274

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* CRM-12274: Merge activity tables into one unified table activity contact table
  http://issues.civicrm.org/jira/browse/CRM-12274
CRM-12274

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* CRM-12274: Merge activity tables into one unified table activity contact table
  http://issues.civicrm.org/jira/browse/CRM-12274
Merge pull request #520 from dlobo/CRM-12274

CRM-12274
Merge pull request #521 from yashodha/activity-migration

update fix for source
Merge pull request #519 from colbyw/fixBootstrap

CRM-10360 - REST API will now bootstrap when call submitted with entity/action params.
CRM-12410
Merge pull request #526 from yashodha/CRM-12410

CRM-12410
CRM-12274

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* CRM-12274: Merge activity tables into one unified table activity contact table
  http://issues.civicrm.org/jira/browse/CRM-12274
Merge pull request #530 from dlobo/CRM-12274

CRM-12274
notice fix
fix test for activity