Remove vtkPTableToStructuredGrid and fix vtkTableToStructuredGrid for parallel

Change-Id: I677aa952b21475a6820f4ed8f2865107ad85c766
Update documentation/comment

Change-Id: I098f9106c942cac0bfe1db94aa71ba9350deb271
Merge topic 'table2structured_one_piece_extent_fix' into master

5c6f1766 Update documentation/comment
1094afc8 Remove vtkPTableToStructuredGrid and fix vtkTableToStructuredGrid for parallel