Generate see also to itk doxygen for more classes

Support the optional itk_name, and filter_type json fields then fall
back to the basic name field.

Change-Id: Iba1391b6cd96d4c32bf60a0e8554118dc900cbe3
Merge topic 'FixITKDoxygenSeeLink' into next

778513ec Generate see also to itk doxygen for more classes