Update to Esplora example

Added Mouse.press to Esplora Joystick Mouse example

libraries/Esplora/examples/Beginners/EsploraJoystickMouse/EsploraJoystickMouse.ino

@@ -17,6 +17,10 @@
 
  Created on 22 Dec 2012
  by Tom Igoe
+ Updated 8 March 2014
+ by Scott Fitzgerald
+ 
+ http://arduino.cc/en/Reference/EsploraReadJoystickSwitch
 
  This example is in the public domain.
  */
@@ -45,6 +49,12 @@ void loop()
   int mouseY = map(yValue, -512, 512, -10, 10);  // map the Y value to a range of movement for the mouse Y
   Mouse.move(mouseX, mouseY, 0);                 // move the mouse
 
+  if (button == 0) {                           // if the joystick button is pressed
+    Mouse.press();                             // send a mouse click
+  } else {
+    Mouse.release();                           // if it's not pressed, release the mouse button 
+  }
+
   delay(10);                                  // a short delay before moving again
 }