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

* git://git.kernel.org/pub/scm/gitk/gitk: [PATCH] gitk: learn --show-all output [PATCH] gitk: properly deal with tag names containing / (slash) [PATCH] gitk: Add checkbutton to ignore space changes [PATCH] gitk: Fix "Key bindings" message