message: Use symmetric padding around Label text
  Padding should affect both the width and the height.
diff: @@ -22,7 +22,7 @@ Label::Label(std::string newText)
  void Label::autoSize()
  {
  - size(textSize() + NAS2D::Vector{0, FIELD_PADDING * 2});
  + size(textSize() + NAS2D::Vector{FIELD_PADDING * 2, FIELD_PADDING * 2});
  }
  