fix examples with now breaking API changes

examples/Buttons/Buttons.ino

@@ -16,9 +16,10 @@ version 2.1 of the License, or (at your option) any later version.
 
 // Make an instance of arduboy used for many functions
 Arduboy arduboy;
+AbPrinter text(arduboy);
 
 // Variables for your game go here.
-char text[] = "Press Buttons!";
+char title[] = "Press Buttons!";
 byte x;
 byte y;
 
@@ -96,10 +97,10 @@ void loop() {
   arduboy.clear();
 
   // we set our cursor x pixels to the right and y down from the top
-  arduboy.setCursor(x, y);
+  text.setCursor(x, y);
 
   // then we print to screen what is stored in our text variable we declared earlier
-  arduboy.print(text);
+  text.print(title);
 
   // then we finaly we tell the arduboy to display what we just wrote to the display.
   arduboy.display();

examples/HelloWorld/HelloWorld.ino

@@ -15,6 +15,7 @@ version 2.1 of the License, or (at your option) any later version.
 
 // make an instance of arduboy used for many functions
 Arduboy arduboy;
+AbPrinter text(arduboy);
 
 
 // This function runs once in your game.
@@ -41,10 +42,10 @@ void loop() {
 
   // we set our cursor 5 pixels to the right and 10 down from the top
   // (positions start at 0, 0)
-  arduboy.setCursor(4, 9);
+  text.setCursor(4, 9);
 
   // then we print to screen what is in the Quotation marks ""
-  arduboy.print(F("Hello, world!"));
+  text.print(F("Hello, world!"));
 
   // then we finaly we tell the arduboy to display what we just wrote to the display
   arduboy.display();