Ir esp8266 lib update and code impacts (#235)

* integrate new IRremoteESP8266 lib 2.4.2 and add new protocols

IR_RC6
IR_MITSUBISHI
IR_GICABLE
IR_MITSUBISHI2
IR_LASERTAG
IR_CARRIER_AC
IR_MIDEA
IR_NIKAI
IR_SHERWOOD
IR_DENON
IR_AIWA_RC_T501
IR_JVC

lib/IRremoteESP8266/test/IRrecv_test.h

@@ -0,0 +1,14 @@
+// Copyright 2017 David Conran
+
+#ifndef TEST_IRRECV_TEST_H_
+#define TEST_IRRECV_TEST_H_
+
+#include <iostream>
+#include <sstream>
+#include <string>
+#include "IRutils.h"
+
+#define EXPECT_STATE_EQ(a, b, c) for (uint8_t i = 0; i < c / 8; ++i) {\
+                                   EXPECT_EQ(a[i], b[i]) << "Expected state "\
+                                       "differs at i = " << uint64ToString(i); }
+#endif  // TEST_IRRECV_TEST_H_