Update IRRemoteESP8266 version to 2.5.5

factorize IR send signal function between the 2 types of receiving
Add new IRRemoteESP8266 protocols
replace pins on mega according schema
remove unecessaries spaces

lib/IRremoteESP8266/library.json

@@ -1,6 +1,6 @@
 {
   "name": "IRremoteESP8266",
-  "version": "2.4.2",
+  "version": "2.5.5",
   "keywords": "infrared, ir, remote, esp8266",
   "description": "Send and receive infrared signals with multiple protocols (ESP8266)",
   "repository":