Log Message:
Updated neomutt to 20170609.

2017-06-09  Richard Russon  <rich@flatcap.org>
* Contrib
  - unbind mappings before overwriting in vim-keys
* Bug Fixes
  - latest coverity issues (#624)
  - don't pass colour-codes to filters
  - Don't set a colour unless it's been defined.
  - crash if no from is set or founds
  - ifdef command
* Translations
  - fix translations
  - fix some remaining translation problems
* Docs
  - explain binding warnings
  - don't document unsupported arches
* Build
  - fix make git_ver.h
  - allow xsltproc and w3m calls to fail
  - fix make dist
* Upstream
  - Add a mutt_endwin() before invoking $sendmail
  - Restore setenv function
  - Fix tag-prefix to not abort on $timeout
  - Change km_dokey() to return -2 on a timeout/sigwinch
  - Enable TEXTDOMAINDIR override to make translation testing easier
  - Fix "format string is not a string literal" warnings

2017-06-02  Richard Russon  <rich@flatcap.org>
* Features
  - Warn on bindkey aliasing
  - Drop PATCHES, tidy 'mutt -v' output
  - Add %z format strings to index_format
  - Add debug_level/debug_file options
* Bug Fixes
  - Fix nntp group selection
  - Fix status color
  - Tidy up S/MIME contrib
  - Do not try to create Maildir if it is an NNTP URI
  - Fix missing NONULL for mutt.set() in Lua
* Translations
  - Fix German PGP shortkeys
* Docs
  - Remove feature muttrc files
  - Merge README.notmuch into manual
  - Remove unneded scripts
  - Remove README.SECURITY
  - Remove BEWARE and devel-notes.txt
  - Update Makefiles
  - Delete TODO files
  - Remove legacy files
  - Don't generate vim-neomutt syntax file
  - Remove LaTeX/pdf manual generation
  - Add missing docs for expandos
  - Fix sidebar howto examples
  - Remove some upstream references
  - Drop refs to patches
  - Improve PR template and CONTRIBUTING.md
* Website
  - Fix list items in newbie-tutorial's Mailing List Guidelines
  - Remove configure options that no longer exist
  - fix newbie tutorial
  - document signing tags / releases
  - config: drop unused paginate command
  - script: split tests up into several
  - convert credits page to markdown
  - simpify 404 page
  - improve newbie tutorial
  - remove help.html and integrate its content elsewhere
  - make: "graphviz" program is needed for generating diagram
  - improve getting started guide // include legacy files
  - dev: add list of architectures/operating systems
  - numerous small fixes
* Build
  - Remove typedefs and rename ~130 structs
  - Add separate hcache dir
  - Move crypto files to ncrypt dir
  - Split up mutt.h, protos.h
  - Always build: sidebar, imap, pop, smtp, compressed, nntp
  - Remove --enable-mailtool configure option
  - Make dotlock optional
  - Change gpgme requirement back to 1.1.0
  - Remove check_sec.sh
  - Fix safe_calloc args
  - Remove unused macros
  - Remove unused option: SmimeSignOpaqueCommand
  - Move configure-generated files
  - Update distcheck build flags
  - Drop obsolete iconv check
  - Unused prototypes - unsupported systems
  - Drop many configure tests for things defined in POSIX:2001
  - Kill useless crypthash.h file
  - Run clang-format on the code
  - Fail early if ncursesw cannot be found
  - Add names prototype arguments
  - Abbreviate pointer tests against NULL
  - Initialise pointers to NULL
  - Reduce the scope of for loop variables
  - Coverity: fix defects
* Upstream
  - Convert all exec calls to use mutt_envlist(), remove setenv function
  - Note that mbox-hooks are dependent on $move
  - Refresh header color when updating label
  - Remove glibc-specific execvpe() call in sendlib.c
  - Add color commands for the compose menu headers and security status
  - Fix sidebar count updates when closing mailbox
  - Don't modify LastFolder/CurrentFolder upon aborting a change folder operation
  - Change message modifying operations to additively set redraw flags
  - Improve maildir and mh to report flag changes in mx_check_mailbox()
  - Add $header_color_partial to allow partial coloring of headers
  - Rename REDRAW_SIGWINCH to REDRAW_FLOW
  - Create R_PAGER_FLOW config variable flag
  - Turn IMAP_EXPUNGE_EXPECTED back off when syncing
  - Add $history_remove_dups option to remove dups from history ring
  - Also remove duplicates from the history file
  - Don't filter new entries when compacting history save file
  - Move the IMAP msn field to IMAP_HEADER_DATA
  - Fix imap expunge to match msn and fix index
  - Fix cmd_parse_fetch() to match against MSN
  - Start fixing imap_read_headers() to account for MSN gaps
  - Add msn_index and max_msn to find and check boundaries by MSN
  - Properly adjust fetch ranges when handling new mail
  - Small imap fetch fixes
  - Don't abort header cache evaluation when there is a hole
  - Fix mfc overflow check and uninitialized variable
  - Fix potential segv if mx_open_mailbox is passed an empty string
  - Don't clean up idata when closing an open-append mailbox
  - Don't clean up msn idata when closing an open-append mailbox
  - Fix memory leak when closing mailbox and using the sidebar
  - Change imap body cache cleanup to use the uid_hash
  - Convert classic s/mime to space delimit findKeys output
  - Add self-encrypt options for PGP and S/MIME
  - Change $postpone_encrypt to use self-encrypt variables first
  - Automatic post-release commit for mutt-1.8.3
  - Add note about message scoring and thread patterns