utils: remove this directory

This directory has already moved to the hwloc/ directory.  Having it
here in the top-level directory (slightly) complicated move
hwloc/utils back to the top directory, so just remove it.
hwloc: move to new location, per proposal #6

Move hwloc directories and files to their locations, per proposal #6.
Have not moved netloc directories and files yet -- building netloc is
temporarily disabled.
netloc: move to new location, per proposal #6

Move netloc directories and files to their locations, per proposal
TODO: Add a file with a running list of things left to do.
copyrights: OS X sed chokes on invalid unicode characters

There's many other places in the tree where we have invalid unicode
characters for copyright, but these 2 files are piped through "sed"
during "make distcheck", and OS X sed chokes on the invalid character
sequences.  So let's fix these 2 first.
copyrights: make all copyright symbols uniform

Fix all invalid copyright character sequences, and also update all (c)
notations to use the unicode sequence.