Adds automatic shutdown

Closes #7 .
Adds shutdown feature with settings entry

workspace/ts100/src/Main.c

@@ -37,7 +37,7 @@ void setup() {
 	readIronTemp(systemSettings.tempCalibration, 0,0); 	//load the default calibration value
 	Init_Oled(systemSettings.flipDisplay); 				//Init the OLED display
 
-	OLED_DrawString("VER 1.06", 8); 					//
+	OLED_DrawString("VER 1.07", 8); 					//
 	delayMs(800);										//Pause to show version number
 	Start_Watchdog(1000); 								//start the system watch dog as 1 second timeout
 }