Legend: Made number of digits after point be adjusted to show the number

of significant digits defined by the user.
Not quite complete the solutions is. There are cornercases not covered
well yet.
* Fixed rounding error.

ApplicationCode/ProjectDataModel/RimLegendConfig.h

@@ -101,7 +101,7 @@ protected:
 private:
     void                                        updateFieldVisibility();
     cvf::ref<cvf::Color3ubArray>                interpolateColorArray(const cvf::Color3ubArray& colorArray, cvf::uint targetColorCount);
-    double                                      adjust(double value, double precision);
+    double                                      roundToNumSignificantDigits(double value, double precision);
     
 private:
     caf::PdmPointer<RimReservoirView>           m_reservoirView;