Merge git://git.kernel.org/pub/scm/gitk/gitk

* git://git.kernel.org/pub/scm/gitk/gitk: gitk: Add a menu option to start git gui gitk: Make line origin search update the busy status gitk: Update German translation gitk: Fix bug in accessing undefined "notflag" variable gitk: Highlight only when search type is "containing:". gitk: Fix context menu items for generating diffs when in tree mode