Log Message:
Updated neomutt to 20161126.

2016-11-26  Richard Russon  <rich@flatcap.org>
* Features
  - Upstream adoption of compress
  - Multiple hcache backends and run-time selection
  - $forward_references includes References: header on forwards
  - Hooks: define hooks for startup and shutdown
  - Add $collapse_all to close threads automatically
* Bug Fixes
  - Index in pager crash
  - Tag with multiple labels
  - Make sure gdbm's symbols are not resolved in QDBM's compatibility layer
  - Fix crash when doing collapse_all on an empty folder
  - Fix: crash when browsing empty dir
  - Initialize imap_authenticate's return value to something meaningful
* Translations
  - Update German translation
  - Update Slovak translation
  - Update French translation
  - Add English (British) translation
  - Convert files to utf-8
  - Mass tidy up of the translation messages
* Docs
  - new-mail bug is fixed
  - add since date for features
  - expand example command options for compress
  - fix entries for beep and new-mail-command
  - add a version number to the generated vimrc
  - fix links in README
  - don't use smart quotes in manual examples
  - <escape> and \e means refers to both alt and escape key
* Build
  - Travis: test messages
  - Add option to disable translation messages
  - Split hcache code into per-backend files
  - Doc/Makefile clean neomutt-syntax.vim
  - Improve discovery for the Berkeley Database
  - Fix nntp/notmuch conditionals
  - Implement mutt_strchrnul()
  - Rename vim-keybindings to vim-keys
* Upstream
  - attach_format: add new %F placeholder
  - Compose: add operation to rename an attachment
  - Chain %d->%F->%f in the attachment menu
  - Move mbox close-append logic inside mbox_close_mailbox()
  - When $flag_safe is set, flagged messages cannot be deleted
  - Adds the '@' pattern modifier to limit matches to known aliases
  - Adds <mark-message> binding to create "hotkeys" for messages
  - Updated requirement on the C compiler
  - Fix mark-message translation and keybind menu
  - More openssl1.1 fixes: remove uses of X509->name in debugging. (closes #3870)
  - Don't close stderr when opening a tunnel. (closes #3726)
  - Minor resource and error logic cleanup in tunnel_socket_open()
  - Make sure that the output of X509_NAME_oneline is null-terminated