* Bump git to 2.9.0.windows.1
* Bump git-with-openssh to 2.9.0.windows.1
* Bump ffmpeg to 2016-06-10
* Bump mercurial to 3.8.3
* Add checkver to redis
* Bump redis to 2.8.2104
* makes changes to almost all main repo files to be in accordance with .editorconfig
* some files in "test\fixtures\..." were left alone to avoid breaking tests
* NOTE: whitespace changes *only* (`git diff -b` shows no changes)