extends ICheck with scope and entity support, provide them as initialState

apps/workflowengine/lib/Check/AbstractStringCheck.php

apps/workflowengine/lib/Check/FileMimeType.php

apps/workflowengine/lib/Check/FileName.php

apps/workflowengine/lib/Check/FileSize.php

apps/workflowengine/lib/Check/FileSystemTags.php

apps/workflowengine/lib/Check/RequestTime.php

apps/workflowengine/lib/Check/RequestUserAgent.php

apps/workflowengine/lib/Manager.php

apps/workflowengine/lib/Settings/ASettings.php

lib/public/WorkflowEngine/ICheck.php

lib/public/WorkflowEngine/IManager.php