Support touchpad inputs!!!!

[chlohal]

Right now, we only have one touchpad input: whether or not it's being pressed. We can use much more than that-- it's a full touchpad on the new controllers. We need to add the touchpad booleans and floats to the relevant places:

• [x] make a ButtonHandle for each variable
• [x] add the cases to getButtonHandle() in InputManager -- make sure to have gamepads 1 and 2
• [x] idk let's test it out :D

  public boolean touchpad_finger_1;
  public boolean touchpad_finger_2;
  public float touchpad_finger_1_x;
  public float touchpad_finger_1_y;
  public float touchpad_finger_2_x;
  public float touchpad_finger_2_y;