Fixed some bugs when recentering the camera.

src/ve/ucv/ciens/ccg/nxtarbot/NxtAR_bot.java

@@ -122,8 +122,9 @@ public class NxtAR_bot{
 		 * Force quit.
 		 */
 		@Override
-		public void buttonPressed(Button b) {
-			quit();
+		public void buttonPressed(Button b){
+			System.exit(0);
+			//quit();
 		}
 
 		/**

src/ve/ucv/ciens/ccg/nxtarbot/threads/MotorControlThread.java

@@ -113,12 +113,12 @@ public class MotorControlThread extends Thread{
 				}
 
 				if(recenterMotorB){
-					// Return motor B to it's origin. Rotate in the direction
-					// that implies less movement.
+					System.out.println("RECENTER");
+					// Return motor B to it's origin.
+					Motor.B.setSpeed(50 * Battery.getVoltage());
 					tacho = Motor.B.getTachoCount() % 360;
-					rotation = tacho > 180 ? 360 - tacho : -(tacho);
-					Motor.B.rotate(rotation);
-					Motor.B.resetTachoCount();
+					rotation = -(tacho);
+					Motor.B.rotate(rotation, false);
 				}
 
 			}catch(IOException io){