NEWS: small v1.7 NEWS cleanup
NEWS: small v1.7 NEWS cleanup

This commit was SVN r5517.

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