Merge git://repo.or.cz/git-gui

* git://repo.or.cz/git-gui:
  git-gui: Request blame metadata in utf-8.
  git-gui: Add the Show SSH Key item to the clone dialog.
  git-gui: Fix focus transition in the blame viewer.

diff --cc git-gui/git-gui.sh
Simple merge

diff --cc git-gui/lib/blame.tcl
Simple merge

diff --cc git-gui/lib/choose_repository.tcl
Simple merge

diff --cc git-gui/lib/search.tcl
Simple merge