mml.el (mml-parse-1): Error out if unknown mode is specified in <#secure> tag (bug#18513)
Rename 24.5 to 25.1

gnus-art.el (gnus-mime-display-attachment-buttons-in-header):
gnus-fun.el (gnus-x-face-omit-files, gnus-face-directory)
(gnus-face-omit-files):
message.el (message-forward-included-headers):
mml2015.el (mml2015-display-key-image): Bump Emacs version.
Make `gnus-delay-header' available in `message-send-hook'

* gnus-delay.el (gnus-delay-send-queue): Remove `gnus-delay-header'
last so it can be used in `message-send-hook'.
Only reverse list of expired messages when in wrong order.

* lisp/nnimap.el (nnimap-process-expiry-targets): Reverse the list of
expired messages only when it was built in reverse order.
ntlm.el (ntlm-build-auth-request): Add NTLM2 Session support (Bug#15603)
ntlm.el (ntlm-build-auth-request): Add NTLM2 Session support (Bug#15603)
ntlm.el: Fix last commit
lisp/ChangeLog: Cleanup
ntlm.el (ntlm-string-make-unibyte, ntlm-secure-hash):
 New compatibility functions.
(ntlm-build-auth-response): Use them.
gnus-icalendar.el (gnus-icalendar-identities): include message-alternative-emails
lisp/ChangeLog: gnus-icalendar.el (gnus-icalendar-identities): Include message-alternative-emails