Tackling a lot of Woverloaded-virtual and shadowing warnings.

Change-Id: I0a800fee6085e2a7f2a67d3c176f667b5292bc24
FIX: Remove typedefs shadowing global ones.
FIX: Moved GenerateData() in itkMinimizeImageSizeFilter to protected.
FIX: Rem. itkSetObjectMacro( Input, ...)
     from itkMinimizeImageFilter.
FIX: Rem. itkSetObjectMacro( Input, ...) from
     itkCompleteImageResampleFilter.
FIX: Woverloaded-virtual warning from itkDocument.h
FIX: MakeOutput(...) Woverloaded-virtual warning in
     itkVectorImageToListGenerator
FIX: SetInput(...) Woverloaded-virtual warning in
     itkVectorImageToListGenerator
Merge topic 'rk-MoreWarningFixes'

55f48e9 Tackling a lot of Woverloaded-virtual and shadowing warnings.