activate advanced_ok and no_timeout

Marlin/Configuration_adv.h

 // Bad Serial-connections can miss a received command by sending an 'ok'
 // Therefore some clients go after 30 seconds in a timeout. Some other clients start sending commands while receiving a 'wait'.
 // This wait is only send when the buffer is empty. The timeout-length is in milliseconds. 1000 is a good value.
-// #define NO_TIMEOUTS 1000
+#define NO_TIMEOUTS 1000
 
-// Some clients will have this feature soon. This should make the NO_TIMEOUTS unnecessary.
-// #define ADVANCED_OK
+// Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
+#define ADVANCED_OK
 
 // @section fwretract
 

Marlin/Marlin_main.cpp

     SERIAL_PROTOCOLPGM(" N"); SERIAL_PROTOCOL(gcode_LastN);
     SERIAL_PROTOCOLPGM(" P"); SERIAL_PROTOCOL(BUFSIZE - commands_in_queue);
   #endif
-  SERIAL_PROTOCOLLNPGM("");  
+  SERIAL_EOL;  
 }
 
 void get_coordinates() {

Marlin/configurator/config/Configuration_adv.h

 #define MAX_CMD_SIZE 96
 #define BUFSIZE 4
 
+// Bad Serial-connections can miss a received command by sending an 'ok'
+// Therefore some clients go after 30 seconds in a timeout. Some other clients start sending commands while receiving a 'wait'.
+// This wait is only send when the buffer is empty. The timeout-length is in milliseconds. 1000 is a good value.
+#define NO_TIMEOUTS 1000
+
+// Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
+#define ADVANCED_OK
+
 // @section fwretract
 
 // Firmware based and LCD controlled retract

Marlin/example_configurations/Felix/Configuration_adv.h

 #define MAX_CMD_SIZE 96
 #define BUFSIZE 4
 
+// Bad Serial-connections can miss a received command by sending an 'ok'
+// Therefore some clients go after 30 seconds in a timeout. Some other clients start sending commands while receiving a 'wait'.
+// This wait is only send when the buffer is empty. The timeout-length is in milliseconds. 1000 is a good value.
+#define NO_TIMEOUTS 1000
+
+// Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
+#define ADVANCED_OK
+
 // @section fwretract
 
 // Firmware based and LCD controlled retract

Marlin/example_configurations/Hephestos/Configuration_adv.h

 
 //The ASCII buffer for receiving from the serial:
 #define MAX_CMD_SIZE 96
-#define BUFSIZE 5
+#define BUFSIZE 4
+
+// Bad Serial-connections can miss a received command by sending an 'ok'
+// Therefore some clients go after 30 seconds in a timeout. Some other clients start sending commands while receiving a 'wait'.
+// This wait is only send when the buffer is empty. The timeout-length is in milliseconds. 1000 is a good value.
+#define NO_TIMEOUTS 1000
+
+// Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
+#define ADVANCED_OK
 
 // @section fwretract
 

Marlin/example_configurations/K8200/Configuration_adv.h

 #define MAX_CMD_SIZE 96
 #define BUFSIZE 4
 
+// Bad Serial-connections can miss a received command by sending an 'ok'
+// Therefore some clients go after 30 seconds in a timeout. Some other clients start sending commands while receiving a 'wait'.
+// This wait is only send when the buffer is empty. The timeout-length is in milliseconds. 1000 is a good value.
+#define NO_TIMEOUTS 1000
+
+// Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
+#define ADVANCED_OK
+
 // @section fwretract
 
 // Firmware based and LCD controlled retract

Marlin/example_configurations/SCARA/Configuration_adv.h

 #define MAX_CMD_SIZE 96
 #define BUFSIZE 4
 
+// Bad Serial-connections can miss a received command by sending an 'ok'
+// Therefore some clients go after 30 seconds in a timeout. Some other clients start sending commands while receiving a 'wait'.
+// This wait is only send when the buffer is empty. The timeout-length is in milliseconds. 1000 is a good value.
+#define NO_TIMEOUTS 1000
+
+// Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
+#define ADVANCED_OK
+
 // @section fwretract
 
 // Firmware based and LCD controlled retract

Marlin/example_configurations/WITBOX/Configuration_adv.h

 
 //The ASCII buffer for receiving from the serial:
 #define MAX_CMD_SIZE 96
-#define BUFSIZE 5
+#define BUFSIZE 4
+
+// Bad Serial-connections can miss a received command by sending an 'ok'
+// Therefore some clients go after 30 seconds in a timeout. Some other clients start sending commands while receiving a 'wait'.
+// This wait is only send when the buffer is empty. The timeout-length is in milliseconds. 1000 is a good value.
+#define NO_TIMEOUTS 1000
+
+// Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
+#define ADVANCED_OK
 
 // @section fwretract
 

Marlin/example_configurations/delta/biv2.5/Configuration_adv.h

 #define MAX_CMD_SIZE 96
 #define BUFSIZE 4
 
+// Bad Serial-connections can miss a received command by sending an 'ok'
+// Therefore some clients go after 30 seconds in a timeout. Some other clients start sending commands while receiving a 'wait'.
+// This wait is only send when the buffer is empty. The timeout-length is in milliseconds. 1000 is a good value.
+#define NO_TIMEOUTS 1000
+
+// Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
+#define ADVANCED_OK
+
 // @section fwretract
 
 // Firmware based and LCD controlled retract

Marlin/example_configurations/delta/generic/Configuration_adv.h

 #define MAX_CMD_SIZE 96
 #define BUFSIZE 4
 
+// Bad Serial-connections can miss a received command by sending an 'ok'
+// Therefore some clients go after 30 seconds in a timeout. Some other clients start sending commands while receiving a 'wait'.
+// This wait is only send when the buffer is empty. The timeout-length is in milliseconds. 1000 is a good value.
+#define NO_TIMEOUTS 1000
+
+// Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
+#define ADVANCED_OK
+
 // @section fwretract
 
 // Firmware based and LCD controlled retract

Marlin/example_configurations/delta/kossel_mini/Configuration_adv.h

 #define MAX_CMD_SIZE 96
 #define BUFSIZE 4
 
+// Bad Serial-connections can miss a received command by sending an 'ok'
+// Therefore some clients go after 30 seconds in a timeout. Some other clients start sending commands while receiving a 'wait'.
+// This wait is only send when the buffer is empty. The timeout-length is in milliseconds. 1000 is a good value.
+#define NO_TIMEOUTS 1000
+
+// Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
+#define ADVANCED_OK
+
 // @section fwretract
 
 // Firmware based and LCD controlled retract

Marlin/example_configurations/makibox/Configuration_adv.h

 #define MAX_CMD_SIZE 96
 #define BUFSIZE 4
 
+// Bad Serial-connections can miss a received command by sending an 'ok'
+// Therefore some clients go after 30 seconds in a timeout. Some other clients start sending commands while receiving a 'wait'.
+// This wait is only send when the buffer is empty. The timeout-length is in milliseconds. 1000 is a good value.
+#define NO_TIMEOUTS 1000
+
+// Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
+#define ADVANCED_OK
+
 // @section fwretract
 
 // Firmware based and LCD controlled retract

Marlin/example_configurations/tvrrug/Round2/Configuration_adv.h

 #define MAX_CMD_SIZE 96
 #define BUFSIZE 4
 
+// Bad Serial-connections can miss a received command by sending an 'ok'
+// Therefore some clients go after 30 seconds in a timeout. Some other clients start sending commands while receiving a 'wait'.
+// This wait is only send when the buffer is empty. The timeout-length is in milliseconds. 1000 is a good value.
+#define NO_TIMEOUTS 1000
+
+// Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
+#define ADVANCED_OK
+
 // @section fwretract
 
 // Firmware based and LCD controlled retract