Merge git://ozlabs.org/~paulus/gitk

* git://ozlabs.org/~paulus/gitk:
  gitk: Accelerators for the main menu
  gitk: Adjust the menu line numbers to compensate for the new entry
  gitk: Add a "Copy commit summary" command
  gitk: Update Bulgarian translation (307t)
  gitk: Update .po files
  gitk: Update Bulgarian translation (304t)
  gitk: Use translated version of "Command line" in getcommitlines
  gitk: Make it easier to go quickly to a specific commit
  gitk: Show the current view's name in the window title
  gitk: Add mouse right-click options to copy path and branch name
  gitk: Remove mc parameter from proc show_error
  gitk: Fix error when changing colors after closing "List references" window
  gitk: Replace catch {unset foo} with unset -nocomplain foo
  gitk: Rearrange window title to be more conventional
  gitk: sv.po: Update Swedish translation (305t0f0u)
  gitk: Fix bad English grammar "Matches none Commit Info"