message: Remove `using namespace NAS2D;` from `Control`
diff: #include "Control.h"
  -using namespace NAS2D;
  -
  -
  void Control::area(const NAS2D::Rectangle<int>& area)
  {
  const auto displacement = area.startPoint() - mRect.startPoint();
  @@ -18,7 +15,7 @@ void Control::area(const NAS2D::Rectangle<int>& area)
  *
  * \param pos 2D Coordinate to position the Control at.
  */
  -void Control::position(Point<int> pos)
  +void Control::position(NAS2D::Point<int> pos)
  {
  const auto displacement = pos - mRect.startPoint();
  mRect.startPoint(pos);
  @@ -103,7 +100,7 @@ Control::ResizeSignal::Source& Control::resized()
  *
  * \return A const reference to a Rectangle<int> object.
  */
  -const Rectangle<int>& Control::rect() const
  +const NAS2D::Rectangle<int>& Control::rect() const
  {
  return mRect;
  }
  