Merge branch 'version/bump'

Bumped to 2.1.5dev
Zend\Validator
Updated test to utilize the TrustingSql92Platform object so that tests don't throw notices
Merge pull request #4026 from ralphschindler/hotfix/auth-db-tests

Zend\Validator Test Suite Fix
Merge branch 'hotfix/4026' into develop

Forward port #4026