Merge branch 'sb/remove-gitview'

Retire long unused/unmaintained gitview from the contrib/ area.

* sb/remove-gitview:
  doc: git-gui browser does not default to HEAD
  doc: gitk: add the upstream repo location
  doc: gitk: remove gitview reference
  contrib: remove gitview

contrib/gitview/gitview.txt

@@ -1,57 +0,0 @@
-gitview(1)
-==========
-
-NAME
-----
-gitview - A GTK based repository browser for git
-
-SYNOPSIS
---------
-[verse]
-'gitview' [options] [args]
-
-DESCRIPTION
----------
-
-Dependencies:
-
-* Python 2.4
-* PyGTK 2.8 or later
-* PyCairo 1.0 or later
-
-OPTIONS
--------
---without-diff::
-
-	If the user doesn't want to list the commit diffs in the main window.
-	This may speed up the repository browsing.
-
-<args>::
-
-	All the valid option for linkgit:git-rev-list[1].
-
-Key Bindings
-------------
-F4::
-	To maximize the window
-
-F5::
-	To reread references.
-
-F11::
-	Full screen
-
-F12::
-	Leave full screen
-
-EXAMPLES
---------
-
-gitview v2.6.12.. include/scsi drivers/scsi::
-
-	Show as the changes since version v2.6.12 that changed any file in the
-	include/scsi or drivers/scsi subdirectories
-
-gitview --since=2.weeks.ago::
-
-	Show the changes during the last two weeks