Move all files into ports/ subdirectory in preparation for merge with glibc glibc-2.16-ports-before-merge

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+This is the glibc ports repository, an add-on for the GNU C Library (glibc).
+It contains code that is not maintained in the official glibc source tree.
+
+This includes working ports to GNU/Linux on some machine architectures that
+are not maintained in the official glibc source tree.  It also includes
+some code once used by old libc ports now defunct, which has been abandoned
+but may be useful for some future porter to examine.  It may also include
+some optimized functions tailored for specific CPU implementations of an
+architecture, to be selected using --with-cpu.
+
+The ports repository is cooperatively maintained by volunteers on the
+<libc-ports@sourceware.org> mailing list, and housed in a separate
+ports git repository.  See
+http://www.gnu.org/software/libc/download.html for details on using
+git.  To report a bug in code housed in the ports repository, please
+go to http://sources.redhat.com/bugzilla/ and file a bug report under
+the glibc "ports" component.
+
+An add-on for an individual port can be made from just the sysdeps/
+subdirectories containing the port's code.  You may want to include a
+README and Banner of your own talking about your port's code in particular,
+rather than the generic ones here.
+
+The real source code for any ports is found in the sysdeps/ subdirectories.
+These should be exactly what would go into the main libc source tree if you
+were to incorporate it directly.  The only exceptions are the files
+sysdeps/*/preconfigure and sysdeps/*/preconfigure.in; these are fragments
+used by this add-on's configure fragment.  The purpose of these is to set
+$base_machine et al when the main libc configure's defaults are not right
+for some machine.  Everything else can and should be done from a normal
+sysdeps/.../configure fragment that is used only when the configuration
+selects that sysdeps subdirectory.  Each port that requires some special
+treatment before the sysdeps directory list is calculated, should add a
+sysdeps/CPU/preconfigure file; this can either be written by hand or
+generated by Autoconf from sysdeps/CPU/preconfigure.in, and follow the
+rules for glibc add-on configure fragments.  No preconfigure file should do
+anything on an unrelated configuration, so that disparate ports can be put
+into a single add-on without interfering with each other.  Files that
+would go in scripts/data/ for libc go in data/ in ports.
+
+Like all glibc add-ons, this must be used by specifying the directory in
+the --enable-add-ons option when running glibc's configure script.
+
+The GNU C Library is free software.  See the file COPYING.LIB in the
+libc repository for copying conditions, and LICENSES for notices about
+a few contributions that require these additional notices to be
+distributed.  License copyright years may be listed using range
+notation, e.g., 2000-2011, indicating that every year in the range,
+inclusive, is a copyrightable year that would otherwise be listed
+individually.