Perform cell data to point data conversion implicitly if requested
Style fixes
Updated test with proper variable names and methods
Added baseline image for the cell to point data test
Removed unused code
Using vtkShrinkFilter to replicate vertices
Updated baseline image
Merge topic 'implicit_celldata_to_pointdata'

bb366d84 Updated baseline image
8a664b30 Using vtkShrinkFilter to replicate vertices
0163a1da Removed unused code
7d6045ae Added baseline image for the cell to point data test
1cdbeb41 Updated test with proper variable names and methods
cce81d95 Style fixes
b37aedc0 Perform cell data to point data conversion implicitly if requested