fixed some broken links in library.properties files

Author: Fede85

libraries/Esplora/library.properties

@@ -4,5 +4,5 @@ author=Arduino
 maintainer=Arduino <info@arduino.cc>
 sentence=Grants easy access to the various sensors and actuators of the Esplora. For Arduino Esplora only.
 paragraph=The sensors available on the board are:2-Axis analog joystick with center push-button,4 push-buttons,microphone, light sensor, temperature sensor, 3-axis accelerometer, 2 TinkerKit input connectors.</br>The actuators available on the board are: bright RGB LED, piezo buzzer, 2 TinkerKit output connectors.
-url=http://arduino.cc/en/Reference/Esplora
+url=http://arduino.cc/en/Reference/EsploraLibrary
 architectures=avr

libraries/WiFi/library.properties

@@ -4,5 +4,5 @@ author=Arduino
 maintainer=Arduino <info@arduino.cc>
 sentence=Enables network connection (local and Internet) using the Arduino WiFi shield. For all Arduino boards.
 paragraph=With this library you can instantiate Servers, Clients and send/receive UDP packets through WiFi. The shield can connect either to open or encrypted networks (WEP, WPA). The IP address can be assigned statically or through a DHCP. The library can also manage DNS.
-url=http:http://arduino.cc/en/Reference/WiFi
+url=http://arduino.cc/en/Reference/WiFi
 architectures=*