get rid of all compile warnings

src/IRBabyIRIS.cpp

@@ -25,11 +25,11 @@
 #include <stdio.h>
 #include <string.h>
 
-#include <ESP.h>
+#include <Esp.h>
 #include <WString.h>
 
 #include "defines.h"
-#include "IRBabyIRIS.h"
+#include "IRbabyIRIS.h"
 
 int getIRISKitVersion(char *buffer, int buffer_size) {
     if (NULL == buffer) {

src/IRbabyAlink.cpp

@@ -24,7 +24,7 @@
 #include <Arduino.h>
 
 #include "IRbabySerial.h"
-#include "IRBabyAlink.h"
+#include "IRbabyAlink.h"
 #include "IRbabyGlobal.h"
 
 #define TOPIC_NAME_MAX  (64)