Run admin/update-copyright.

Most of this change is to boilerplate commentary such as license URLs.
This change was prompted by ftp://ftp.gnu.org's going-away party,
planned for November.  Change these FTP URLs to https://ftp.gnu.org
instead.  Make similar changes for URLs to other organizations moving
away from FTP.  Also, change HTTP to HTTPS for URLs to gnu.org and
fsf.org when this works, as this will further help defend against
man-in-the-middle attacks (for this part I omitted the MS-DOS and
MS-Windows sources and the test tarballs to keep the workload down).
HTTPS is not fully working to lists.gnu.org so I left those URLs alone
for now.

This catches some problems with integer overflow and races
that I noticed in inotify.c after reviewing the changes
installed to fix Bug#26126.
* src/fns.c, src/lisp.h (equal_no_quit): Now extern.
* src/inotify.c (aspect_to_inotifymask):
Check for cycles and for improper lists.
(make_lispy_mask, lispy_mask_match_p): Remove.
All callers changed to use INTEGER_TO_CONS and CONS_TO_INTEGER.
(inotifyevent_to_event, add_watch):
Don’t assume watch descriptors and cookies fit in fixnums.
(add_watch): Use assoc_no_quit, not Fassoc.
Avoid integer overflow in (very!) long-running processes where
the Emacs watch ID could overflow.  Avoid some duplicate code.
(find_descriptor): New function.
(remove_descriptor): First arg is now the returned value from
find_descriptor, rather than the descriptor.  This way, the
value can be removed without calling Fdelete, which might quit.
Wait until the end (when watch_list is consistent) before signaling
any errors.
(remove_watch, inotify_callback):
Use find_descriptor to avoid the need for Fdelete.
(inotify_callback): Use simpler tests for ioctl failure.
Free temporary buffer if signaled, and put it on the stack if small.
Use ssize_t to index through read results, to avoid a cast.
(valid_watch_descriptor): New function, with a tighter check.
(Finotify_rm_watch, Finotify_valid_p): Use it.
(Finotify_valid_p): Use assoc_no_quit and ass_no_quit instead
of Fassoc.  Do not assume the first assoc succeeds.
* test/src/inotify-tests.el (inotify-valid-p-simple):
Add inotify-valid-p tests, some of which dump core without
the fixes noted above.

2e2a806 Fix copyright years by hand
5badc81 Update copyright year to 2017

ef33bc7 Spelling and grammar fixes
9c3dbab Fix copyright years by hand
0e96320 Update copyright year to 2016

 * CONTRIBUTE,Makefile.in,configure.ac: Update to reflect
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   test/automated/zlib-tests.el: Files Moved.