Features:
  ef66249 tabline: Add %[] atom to the tabline, for random commands on click
  f338ea7 job control: implement jobpid() to get PID of job
  d0d5d17 job control: add 'detach' option to jobstart
  7ad3f07 Add support for binary numbers

Fixes:
  291495a regexp_nfa.c: Speed up find_match_text()
  317d5ca input: Do not set high-bit; preserve ALT modifier.
  3b7c409 shell: Unquote &shell* options before using them

Notable changes:
  49b06a8 encoding: Always use "utf-8" as default for &encoding
  79a6983 ui: revert "gui_running" hack

Other changes:
  b4b4536 version: semver.org compliance
  c6aa716 reproducible builds: Stop using __{DATE,TIME}__
  46bd3c0 clipboard: Check $DISPLAY. Prefer xsel. #4150
  f6ecd12 job control: don't kill PTY processes on exit
  49f0417 clipboard: Detach clipboard helper, so contents is kept after nvim exit
  38435e8 python: Add missing I/O methods to RedirectStream
  d26b01d eval: Use better error messages when failing to dump values
  62d137c Remove swapsync.

vim-patch:7.4.700

Updated runtime files.

https://github.com/vim/vim/commit/541f92

vim-patch:7.4.689

CI/travis: get MinGW from our mirror

sourceforge download has been failing randomly, which causes build
failures.

Problem:    On MS-Windows, when 'autochdir' is set, diff mode with files in
            different directories does not work. (Axel Bender)
Solution:   Remember the current directory and use it where needed. (Christian
            Brabandt)

https://github.com/vim/vim/commit/d87c36ea5eae50580f3c733734669250cc969019

---

see: "autochdir + encoding=utf8 messes up diff"
     https://groups.google.com/d/msg/vim_dev/QrE4Y2LMJR8/uxigns5KGxYJ

Avoids some duplication.