debian: Update to copyright format 1.0

Signed-off-by: Joachim Nilsson <[email protected]>

debian/copyright

@@ -1,17 +1,23 @@
-This package was debianized by Jim Studt <[email protected]> on
-Fri,  5 May 2000 13:25:51 -0500.
+Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
+Upstream-Name: editline
+Upstream-Contact: Joachim Nilsson <[email protected]>
+Source: http://github.com/troglobit/editline
+Comment: This package was originally debianized by Jim Studt <[email protected]>
+	 on Fri,  5 May 2000 13:25:51 -0500.  It was received from, then upstream
+	 author, Rich Salz <[email protected]>
 
-It was received from Rich Salz [email protected]
+Files: *
+Copyright: 1992,1993 Simmule Turner and Rich Salz.
+License: C-News
 
-Upstream Author: Rich Salz [email protected]
-
-Copyright:
-
- Copyright 1992,1993 Simmule Turner and Rich Salz.  All rights reserved.
+Files: debian/*
+Copyright: 2010-2020 Joachim Nilsson <[email protected]>
+License: BSD-2-clause
 
+License: C-News
  This software is not subject to any license of the American Telephone
  and Telegraph Company or of the Regents of the University of California.
-
+ .
  Permission is granted to anyone to use this software for any purpose on
  any computer system, and to alter it and redistribute it freely, subject
  to the following restrictions:
@@ -24,4 +30,3 @@ Copyright:
     misrepresented as being the original software.  Since few users
     ever read sources, credits must appear in the documentation.
  4. This notice may not be removed or altered.
-