Renames all our .hpp HAL files to .h (#44)

Adds consistency, as the HAL was .hpp however all other code was .h.

hal/include/HAL/HAL.h

@@ -8,21 +8,21 @@
 #include <stdint.h>
 #include <cmath>
 
-#include "Accelerometer.hpp"
-#include "Analog.hpp"
-#include "Compressor.hpp"
-#include "Digital.hpp"
-#include "Errors.hpp"
-#include "Interrupts.hpp"
-#include "Notifier.hpp"
-#include "PDP.hpp"
-#include "Power.hpp"
-#include "SerialPort.hpp"
-#include "Solenoid.hpp"
+#include "Accelerometer.h"
+#include "Analog.h"
+#include "Compressor.h"
+#include "Digital.h"
+#include "Errors.h"
+#include "Interrupts.h"
+#include "Notifier.h"
+#include "PDP.h"
+#include "Power.h"
+#include "SerialPort.h"
+#include "Solenoid.h"
 
-#include "Semaphore.hpp"
-#include "Task.hpp"
-#include "Utilities.hpp"
+#include "Semaphore.h"
+#include "Task.h"
+#include "Utilities.h"
 
 #define HAL_IO_CONFIG_DATA_SIZE 32
 #define HAL_SYS_STATUS_DATA_SIZE 44

hal/include/HAL/cpp/Resource.h

@@ -7,7 +7,7 @@
 #pragma once
 
 #include <stdint.h>
-#include "../Errors.hpp"
+#include "../Errors.h"
 #include "HAL/cpp/priority_mutex.h"
 
 #include <vector>