WRG: slience Wunsed-parameter and fixed for MSVC compiler

Windows build are failing due to last two commit related to
Wunsed-parameter but I had added a fix which follows itk code
to make it portable across compiler(s) mainly Microsoft VC
Warning fix updated in Testing/Code/
BasicFilters, Common, IO, FeatureExtraction,
Learning, DisparityMap, Mutliscale
New fix added in - SpatialReasoning, Projections