Merge from origin/emacs-24
ad89f85 Another minor improvement in ELisp manual (Bug#20168)
5e2951b Improve docs of 'posn-actual-col-row' (Bug#20169)
1291ce1 Minor documentation fix in ELisp manual (Bug#20174)
33e2236 * display.texi (Useless Whitespace): Fix thinko.
ff3878d * configure.ac: Fix jpeg version check to work with gcc >= 5.
90b46f5 Work for the case nnmail-expiry-target is an nnmh group (bug#20170)
e7f92aa authors.el small additions
0bfe915 * etc/PROBLEMS: Add entry about dir-locals and some auto-mounters.
c3c4b75 Fixes: debbugs:18939
Conflicts:
ChangeLog
doc/lispref/ChangeLog
etc/PROBLEMS
lisp/ChangeLog
lisp/gnus/ChangeLog
lisp/simple.el