Improve curve naming for plot and use in RFT segment plots

* Improve plot naming for depth track plots
* Move template text replace to string tools
* More data available for object template text
* Set plot visible and define default object name template text

ApplicationLibCode/Application/RiaPlotDefines.h

@@ -80,6 +80,8 @@ QString namingVariableResultName();
 QString namingVariableResultType();
 QString namingVariableTime();
 QString namingVariableTimestep();
+QString namingVariableAirGap();
+QString namingVariableWaterDepth();
 
 double minimumDefaultValuePlot();
 double minimumDefaultLogValuePlot();