Add a README for gitview

Signed-off-by: Junio C Hamano <junkio@cox.net>

contrib/gitview/gitview.txt

@@ -0,0 +1,38 @@
+gitview(1)
+==========
+
+NAME
+----
+gitview - A GTK based repository browser for git
+
+SYNOPSIS
+--------
+'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 git-rev-list(1)
+
+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
+
+	gitk --since=2.weeks.ago
+	  Show the changes during the last two weeks 
+
+