Update license headers

apps/encryption/lib/crypto/crypt.php

apps/encryption/tests/lib/MigrationTest.php

apps/files/appinfo/application.php

apps/files/appinfo/routes.php

apps/files/controller/apicontroller.php

apps/files/lib/capabilities.php

apps/files/tests/ajax_rename.php

apps/files/tests/command/deleteorphanedfilestest.php

apps/files/tests/controller/apicontrollertest.php

apps/files_external/appinfo/app.php

apps/files_external/appinfo/application.php

apps/files_external/appinfo/routes.php

..._external/tests/service/userglobalstoragesservicetest.php

apps/files_sharing/ajax/external.php

apps/files_sharing/ajax/list.php

apps/files_sharing/ajax/publicpreview.php

apps/files_sharing/api/local.php

apps/files_sharing/api/remote.php

apps/files_sharing/api/server2server.php

apps/files_sharing/api/sharees.php