NFC - Make it possible to mark a dao field @deprecated

CRM/ACL/DAO/ACL.php

CRM/ACL/DAO/ACLCache.php

CRM/ACL/DAO/ACLEntityRole.php

CRM/Activity/DAO/Activity.php

CRM/Activity/DAO/ActivityContact.php

CRM/Batch/DAO/Batch.php

CRM/Batch/DAO/EntityBatch.php

CRM/Campaign/DAO/Campaign.php

CRM/Campaign/DAO/CampaignGroup.php

CRM/Campaign/DAO/Survey.php

CRM/Case/DAO/Case.php

CRM/Case/DAO/CaseActivity.php

CRM/Case/DAO/CaseContact.php

CRM/Case/DAO/CaseType.php

CRM/Contact/DAO/ACLContactCache.php

CRM/Contact/DAO/Contact.php

CRM/Contact/DAO/ContactType.php

CRM/Contact/DAO/DashboardContact.php

CRM/Contact/DAO/Group.php

CRM/Contact/DAO/GroupContact.php