Merge branch 'dl/checkout-guess'

"git checkout" learned to use checkout.guess configuration variable
and enable/disable its "--[no-]guess" option accordingly.

* dl/checkout-guess:
  checkout: learn to respect checkout.guess
  Documentation/config/checkout: replace sq with backticks

diff --cc Documentation/git-checkout.txt
Simple merge

diff --cc builtin/checkout.c
Simple merge

diff --cc contrib/completion/git-completion.bash
Simple merge