Update to Esplora example

Added Mouse.press to Esplora Joystick Mouse example

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

@@ -1,9 +1,9 @@
 /*
   Esplora Joystick Mouse
- 
+
  This  sketch shows you how to read the joystick and use it to control the movement
  of the cursor on your computer.  You're making your Esplora into a mouse!
- 
+
  WARNING: this sketch will take over your mouse movement. If you lose control
  of your mouse do the following:
  1) unplug the Esplora.
@@ -11,13 +11,17 @@
  3) hold the reset button down while plugging your Esplora back in
  4) while holding reset, click "Upload"
  5) when you see the message "Done compiling", release the reset button.
- 
+
  This will stop your Esplora from controlling your mouse while you upload a sketch
  that doesn't take control of the mouse.
- 
+
  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.
  */
 
@@ -27,7 +31,7 @@ void setup()
 {
   Serial.begin(9600);       // initialize serial communication with your computer
   Mouse.begin();            // take control of the mouse
-} 
+}
 
 void loop()
 {
@@ -41,10 +45,16 @@ void loop()
   Serial.print("\tButton: ");                  // print a tab character and a label for the button
   Serial.print(button);                        // print the button value
 
-  int mouseX = map( xValue,-512, 512, 10, -10);  // map the X value to a range of movement for the mouse X
-  int mouseY = map( yValue,-512, 512, -10, 10);  // map the Y value to a range of movement for the mouse Y
+  int mouseX = map(xValue, -512, 512, 10, -10);  // map the X value to a range of movement for the mouse X
+  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
 }