Merge pull request #4 from per1234/url-scheme

Specify scheme in library.properties url value

Author: bluemurder

library.properties

@@ -5,6 +5,6 @@ maintainer=Alessio Leoncini
 sentence=A library to enable esp8266 platform to send and receive ping messages. 
 paragraph=Present library defines a 'Pinger' class that allows access to low level LWIP functions. It accepts IP addresses as well as DNS names, handles ICMP echo requests and responses allowing some packet customizations, and provides statistics on ping results.
 category=Communication
-url=technologytourist.com
+url=https://www.technologytourist.com
 architectures=esp8266
 includes=Pinger.h,PingerResponse.h