Merge git://git.kernel.org/pub/scm/gitk/gitk
* git://git.kernel.org/pub/scm/gitk/gitk:
gitk: Turn short SHA1 names into links too
gitk: Regenerate .po files
gitk: New way of constructing menus that allows for Alt+letter accelerators
gitk: Bind Key-Return to create on new branch dialog
gitk: Fix binding for <Return> in sha1 entry field
gitk: Clean up file encoding code and add enable/disable option
gitk: Implement batch lookup and caching of encoding attrs
gitk: Enhance file encoding support
gitk: Add untranslated error messages to translation
gitk: Fix a bug in collapsing deeply nested trees
gitk: Use <Button-2> for context menus on OSX