Convert helper.h to the bitmap API
Convert helper.h to the bitmap API

git-svn-id: bb34cd5123d2f821b9f934b050c449c8bfd5d5c1@2498 4b44e086-7f34-40ce-a3bd-00e031736276

BlueBrain/hwloc,BlueBrain/hwloc,BlueBrain/hwloc,BlueBrain/hwloc