Use bool instead of boolean in examples

In the Arduino IDE, boolean is an alias for bool.
The Arduino IDE might deprecate boolean in the future, see
https://github.com/arduino/Arduino/issues/4673 for details.

examples/EnergyMeterPulseSensor/EnergyMeterPulseSensor.ino

@@ -52,7 +52,7 @@
 
 unsigned long SEND_FREQUENCY = 20000; // Minimum time between send (in milliseconds). We don't wnat to spam the gateway.
 double ppwh = ((double)PULSE_FACTOR)/1000; // Pulses per watt hour
-boolean pcReceived = false;
+bool pcReceived = false;
 volatile unsigned long pulseCount = 0;   
 volatile unsigned long lastBlink = 0;
 volatile unsigned long watt = 0;

examples/MockMySensors/MockMySensors.ino

@@ -86,7 +86,7 @@
 
 // Global Vars
 unsigned long SLEEP_TIME = 900000; // Sleep time between reads (in milliseconds)
-boolean metric = true;
+bool metric = true;
 long randNumber;
 
 

examples/MotionSensor/MotionSensor.ino

@@ -60,7 +60,7 @@ void presentation()  {
 void loop()     
 {     
   // Read digital motion value
-  boolean tripped = digitalRead(DIGITAL_INPUT_SENSOR) == HIGH; 
+  bool tripped = digitalRead(DIGITAL_INPUT_SENSOR) == HIGH;
         
   Serial.println(tripped);
   send(msg.set(tripped?"1":"0"));  // Send tripped value to gw 

examples/MotionSensorRS485/MotionSensorRS485.ino

@@ -79,7 +79,7 @@ void presentation()  {
 void loop()     
 {     
   // Read digital motion value
-  boolean tripped = digitalRead(DIGITAL_INPUT_SENSOR) == HIGH; 
+  bool tripped = digitalRead(DIGITAL_INPUT_SENSOR) == HIGH;
         
   Serial.println(tripped);
   send(msg.set(tripped?"1":"0"));  // Send tripped value to gw 

examples/PHSensor/PHSensor.ino

@@ -36,8 +36,8 @@
 
 unsigned long SLEEP_TIME = 60000; // Sleep time between reads (in milliseconds)
 float lastPH;
-boolean receivedConfig = false;
-boolean metric = true;
+bool receivedConfig = false;
+bool metric = true;
 // Initialize PH message
 MyMessage msg(0, V_PH);
 

examples/SecretKnockSensor/SecretKnockSensor.ino

@@ -85,7 +85,7 @@ const int knockComplete = 1200;    // Longest time to wait for a knock before we
 byte secretCode[maximumKnocks] = {50, 25, 25, 50, 100, 50, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};  // Initial setup: "Shave and a Hair Cut, two bits."
 int knockReadings[maximumKnocks];    // When someone knocks this array fills with the delays between knocks.
 int knockSensorValue = 0;            // Last reading of the knock sensor.
-boolean programModeActive = false;   // True if we're trying to program a new knock.
+bool programModeActive = false;   // True if we're trying to program a new knock.
 
 bool lockStatus;
 
@@ -242,7 +242,7 @@ void setLockState(bool state, bool doSend){
  
 // Checks to see if our knock matches the secret.
 // Returns true if it's a good knock, false if it's not.
-boolean validateKnock(){
+bool validateKnock(){
   int i = 0;
  
   int currentKnockCount = 0;

examples/WaterMeterPulseSensor/WaterMeterPulseSensor.ino

@@ -65,7 +65,7 @@ double ppl = ((double)PULSE_FACTOR)/1000;        // Pulses per liter
 volatile unsigned long pulseCount = 0;   
 volatile unsigned long lastBlink = 0;
 volatile double flow = 0;  
-boolean pcReceived = false;
+bool pcReceived = false;
 unsigned long oldPulseCount = 0;
 unsigned long newBlink = 0;   
 double oldflow = 0;