Merge from gnulib

2014-12-12 stddef: support C11's max_align_t
2014-12-08 apply _GL_ATTRIBUTE_PURE to some inline functions
2014-12-02 support GNU format printf and scanf on mingw
* doc/misc/texinfo.tex, lib/stat-time.h, lib/stddef.in.h:
* lib/timespec.h, m4/extensions.m4, m4/stddef_h.m4, m4/stdio_h.m4:
Update from gnulib.
* lib/gnulib.mk: Regenerate.
Merge from origin/emacs-24

bd6c441 * simple.el (password-word-equivalents): Add "passcode", used for numeric secrets like PINs or RSA tokens.
16d4c1c A better fix for bug#19346
82ec808 * .gitignore: Add !lib/std*.in.h, so as to not ignore the .in.h files.
3cf7629 Git ignore lib/std*.h
301a401 Always define `gnutls-available-p' even if GnuTLS is not available.
d76b9b2 Don't break example string between 2 lines (bug#19257)
75b4857 Port commit-msg to mawk
9ac0332 Improve commit-msg messages and autosquash
0c2f254 Support overflow-newline-into-fringe together with word-wrap (bug#19300)
935ee05 * net/tramp-sh.el (tramp-get-remote-path): Use a login shell in order to determine `tramp-own-remote-path'.
c2db939 python.el: Support interpreter paths with spaces
d83f329 ChangeLog fix
0f9fbb9 Port commit-message checking to FreeBSD 9.
3db1ada admin/MAINTAINERS: Update my interests and responsibilities.
6382f24 * .gitignore: Ignore autosave files.

Conflicts:
	ChangeLog
	lisp/progmodes/python.el
	src/gnutls.c
Remove duplicate ChangeLog entries
Merge from gnulib (a couple more changes)
Replace union hack with C11-style max_align_t

* admin/merge-gnulib (GNULIB_MODULES): Add stddef, for max_align_t.
* lib/gnulib.mk: Regenerate.
* src/alloc.c (XMALLOC_BASE_ALIGNMENT): Use max_align_t instead of
a hack involving a union.