Fix blank space on right of AllPlot.

src/AllPlot.cpp

@@ -30,6 +30,7 @@
 #include <assert.h>
 #include <qwt_plot_curve.h>
 #include <qwt_plot_grid.h>
+#include <qwt_plot_layout.h>
 #include <qwt_plot_marker.h>
 #include <qwt_text.h>
 #include <qwt_legend.h>
@@ -257,6 +258,9 @@ AllPlot::AllPlot(AllPlotWindow *parent, MainWindow *mainWindow):
     grid->enableX(false);
     grid->attach(this);
 
+    // get rid of nasty blank space on right of the plot
+    plotLayout()->setAlignCanvasToScales(true);
+
     configChanged(); // set colors
 }