Implement the binary option for server based encrypt and sign.
* src/server.c (conn_ctrl_s): Add field OUTPUT_BINARY. (prepare_io_streams): Set data encoding to binary if requested. (output_notify): New. (connection_startup): Register new callback. * src/gpastreamencryptop.c (start_encryption): Use a provided encoding. * src/gpastreamsignop.c (start_signing): Ditto.
Note that these changes have not yet been tested.