Tools: support for units on fields

Tools: add units to minimal log format

Tools: add units to CHEK message

Tools/Replay/LogReader.cpp

@@ -32,7 +32,11 @@ extern const AP_HAL::HAL& hal;
 const struct LogStructure log_structure[] = {
     LOG_COMMON_STRUCTURES,
     { LOG_CHEK_MSG, sizeof(log_Chek),
-      "CHEK", "QccCLLffff",  "TimeUS,Roll,Pitch,Yaw,Lat,Lng,Alt,VN,VE,VD" }
+      "CHEK",
+      "QccCLLffff",
+      "TimeUS,Roll,Pitch,Yaw,Lat,Lng,Alt,VN,VE,VD",
+      "sdddDUmnnn",
+      "FBBBGGB000"}
 };
 
 LogReader::LogReader(AP_AHRS &_ahrs, AP_InertialSensor &_ins, AP_Baro &_baro, Compass &_compass, AP_GPS &_gps, 

Tools/Replay/Replay.cpp

@@ -102,11 +102,11 @@ void ReplayVehicle::load_parameters(void)
 
 static const struct LogStructure min_log_structure[] = {
     { LOG_FORMAT_MSG, sizeof(log_Format),
-      "FMT", "BBnNZ",      "Type,Length,Name,Format,Columns" },
+      "FMT", "BBnNZ",      "Type,Length,Name,Format,Columns", "-b---", "-----" },
     { LOG_PARAMETER_MSG, sizeof(log_Parameter),
-      "PARM", "QNf",        "TimeUS,Name,Value" }, 
+      "PARM", "QNf",        "TimeUS,Name,Value", "s--", "F--" },
     { LOG_MESSAGE_MSG, sizeof(log_Message),
-      "MSG",  "QZ",     "TimeUS,Message"},
+      "MSG",  "QZ",     "TimeUS,Message", "s-", "F-" },
 };
 
 void ReplayVehicle::setup(void)