Merged revision(s) 12857, 12868, 12882, 12887 from branches/Release/17_2_Development: Implement determination and visualization of tangent lines in the macro stability inwards input view chart. ........ Implement review comments from review 2318
........ Implement review comments from review 2320
........ Moved some statements for better cohesion.
Merged revision(s) 12853, 12863 from branches/Release/17_2_Development: Display output tangent lines in the output chart for macrostability calculations. ........ Added ToArray for creating tangent lines.