Improve auto name for curves and plots

- use vector name as plot title if a vector and the associated history vector is present
- use short vector name as fallback for curve name
- use Plot N as fallback name for sub plot

ApplicationLibCode/Application/Tools/RiaSummaryAddressAnalyzer.cpp

@@ -93,6 +93,11 @@ std::string RiaSummaryAddressAnalyzer::quantityNameForTitle() const
         return *quantities().begin();
     }
 
+    if ( quantities().size() == 2 && quantityNamesWithHistory().size() == 1 )
+    {
+        return *quantityNamesWithHistory().begin();
+    }
+
     return {};
 }