fixing license headers - encryption code related

apps/encryption/appinfo/app.php

apps/encryption/appinfo/application.php

apps/encryption/appinfo/routes.php

apps/encryption/controller/recoverycontroller.php

apps/encryption/hooks/contracts/ihook.php

apps/encryption/hooks/userhooks.php

apps/encryption/lib/crypto/crypt.php

apps/encryption/lib/crypto/encryption.php

apps/encryption/lib/exceptions/multikeydecryptexception.php

apps/encryption/lib/exceptions/multikeyencryptexception.php

.../encryption/lib/exceptions/privatekeymissingexception.php

apps/encryption/lib/exceptions/publickeymissingexception.php

apps/encryption/lib/hookmanager.php

apps/encryption/lib/keymanager.php

apps/encryption/lib/recovery.php

apps/encryption/lib/session.php

apps/encryption/lib/users/setup.php

apps/encryption/lib/util.php

apps/encryption/settings/settings-admin.php

apps/encryption/settings/settings-personal.php