Merge branch 'maint'

* maint:
  Update draft release notes for 1.6.0.2
  stash: refresh the index before deciding if the work tree is dirty
  Mention the fact that 'git annotate' is only for backward compatibility.
  "blame -c" should be compatible with "annotate"
  git-gui: Fix diff parsing for lines starting with "--" or "++"
  git-gui: Fix string escaping in po2msg.sh
  git gui: show diffs with a minimum of 1 context line
  git-gui: update all remaining translations to French.
  git-gui: Update french translation