simplify recursion, add machine and fake levels...
simplify recursion, add machine and fake levels...

simplify recursion, add machine and fake levels drawing

This commit was SVN r196.

ggouaillardet/hwloc,shekkbuilder/hwloc,shekkbuilder/hwloc,ggouaillardet/hwloc,shekkbuilder/hwloc,shekkbuilder/hwloc,ggouaillardet/hwloc,ggouaillardet/hwloc