Set clitkDice tool into public repo

diff --git a/tests_dav/clitkDice.cxx b/tools/clitkDice.cxx
similarity index 100%
rename from tests_dav/clitkDice.cxx
rename to tools/clitkDice.cxx

diff --git a/tests_dav/clitkDice.ggo b/tools/clitkDice.ggo
similarity index 100%
rename from tests_dav/clitkDice.ggo
rename to tools/clitkDice.ggo

diff --git a/tests_dav/clitkLabelImageOverlapMeasureGenericFilter.h b/tools/clitkLabelImageOverlapMeasureGenericFilter.h
similarity index 100%
rename from tests_dav/clitkLabelImageOverlapMeasureGenericFilter.h
rename to tools/clitkLabelImageOverlapMeasureGenericFilter.h

diff --git a/tests_dav/clitkLabelImageOverlapMeasureGenericFilter.txx b/tools/clitkLabelImageOverlapMeasureGenericFilter.txx
similarity index 100%
rename from tests_dav/clitkLabelImageOverlapMeasureGenericFilter.txx
rename to tools/clitkLabelImageOverlapMeasureGenericFilter.txx