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/ProjectDataModel/WellLog/RimWellLogCurveCommonDataSource.h

@@ -83,6 +83,10 @@ public:
 
     void selectWell( QString wellName );
 
+    QString   rftWellName() const;
+    QDateTime rftTime() const;
+    int       rftBranchIndex() const;
+
     void resetDefaultOptions();
     void analyseCurvesAndTracks( const std::vector<RimWellLogCurve*>& curves, const std::vector<RimWellLogTrack*>& tracks );
     void analyseCurvesAndTracks();