Fixed 1D and 2D model update problem. 2D models will no longer be recalculated when the "View 2D" button is clicked twice in a row and no parameter has changed.
Fixed 1D and 2D model update problem. 2D models will no longer be recalculated when the "View 2D" button is clicked twice in a row and no parameter has changed.

lewisodriscoll/sasview,SasView/sasview,SasView/sasview,SasView/sasview,lewisodriscoll/sasview,lewisodriscoll/sasview,lewisodriscoll/sasview,lewisodriscoll/sasview,SasView/sasview,SasView/sasview,SasView/sasview