plot in plot fragment will now always render from 0 to 100 on the y axis

APED/app/src/main/java/com/example/aped/ui/plots/PlotFragment.java

@@ -122,6 +122,7 @@ public class PlotFragment extends Fragment {
                             maxX = values.length;
                         }
                     }
+                    graphView.getViewport().setMinY(0);
                     graphView.getViewport().setMaxY(100);
                     graphView.getViewport().setMaxX(maxX);
                     graphView.getViewport().setXAxisBoundsManual(true);