problems of shadowed variables solved
conflicts resolved
fix header in itkwriter
Merge pull request #724 from elcerdo/exposeCompareInDigitalSetBySTLSet

fix header in itkwriter
resolve conflicts
Merge pull request #723 from isivigno/DSLsubsegmentRelease

DSLSubsegment - problems of shadowed variables solved
Merge branch 'master' into HDF5