Well target mapping: option to avoid growing across faults

Add AvoidFaults option that blocks cluster growth across fault faces and
fault NNCs, and generate a WELL_TARGET_FAULT_FACES result with the number
of fault faces per cell.

ApplicationLibCode/ProjectDataModel/RimWellTargetMapping.h

@@ -110,6 +110,8 @@ private:
     caf::PdmPtrField<RimCellFilter*> m_startDataFilter;
     caf::PdmPtrField<RimCellFilter*> m_dataFilter; // grow filter
 
+    caf::PdmField<bool> m_avoidFaults;
+
     caf::PdmChildField<RimEclipseCase*> m_ensembleStatisticsCase;
 
     double m_minimumSaturationOil;