Delegated the call to validate the VO membership to API - configurable in engineblock.ini
Add tests for EngineBlock_Corto_Filter_Command_ValidateVoMembership and changed the url for validation according API specification
Pulled the validation of VO's back into EB, apart from the validation if a member is part of group(s)
EB now uses client credentials to obtain an access token for the retrieval of Groups from API. The key and secret are placed in the engineblock.ini to prevent refactoring when migrating to apis. The access token is cached in between calls using Zend_Cache
New release notes for 3.9.0 release