Assign copyright over to the FSF

This is needed for the package to be accepted into ELPA.

Author: theothornhill

README.org

@@ -107,5 +107,5 @@ paperwork with the FSF is needed for contributions of significant size.
 
 * License
 
-The original project was licensed under [[https://www.gnu.org/licenses/gpl-2.0.html][GPL v2]], but after rewrite in September
-2020, it is relicensed to GPLv3
+The original project was licensed under [[https://www.gnu.org/licenses/gpl-2.0.html][GPL v2+]], but after a rewrite in September
+2020, it was relicensed to GPLv3+

csharp-compilation.el

@@ -1,8 +1,10 @@
 ;;; csharp-compilation.el --- compilation support for C#  -*- lexical-binding: t; -*-
 
+;; Copyright (C) 2020-2021 Free Software Foundation, Inc.
+
 ;; Author     : Theodor Thornhill <theo@thornhill.no>
 ;; Maintainer : Jostein Kjønigsen <jostein@gmail.com>
-;;            : Theodor Thornhill <theo@thornhill.no>
+;;              Theodor Thornhill <theo@thornhill.no>
 ;; Created    : September 2020
 ;; Modified   : 2020
 ;; Version    : 0.12.0

csharp-mode.el

@@ -1,8 +1,10 @@
 ;;; csharp-mode.el --- C# mode derived mode  -*- lexical-binding: t; -*-
 
+;; Copyright (C) 2020-2021 Free Software Foundation, Inc.
+
 ;; Author     : Theodor Thornhill <theo@thornhill.no>
 ;; Maintainer : Jostein Kjønigsen <jostein@gmail.com>
-;;            : Theodor Thornhill <theo@thornhill.no>
+;;              Theodor Thornhill <theo@thornhill.no>
 ;; Created    : September 2020
 ;; Modified   : 2020
 ;; Version    : 0.12.0

csharp-tree-sitter.el

@@ -1,8 +1,10 @@
 ;;; csharp-tree-sitter.el --- tree sitter support for C#  -*- lexical-binding: t; -*-
 
+;; Copyright (C) 2020-2021 Free Software Foundation, Inc.
+
 ;; Author     : Theodor Thornhill <theo@thornhill.no>
 ;; Maintainer : Jostein Kjønigsen <jostein@gmail.com>
-;;            : Theodor Thornhill <theo@thornhill.no>
+;;              Theodor Thornhill <theo@thornhill.no>
 ;; Created    : September 2020
 ;; Modified   : 2020
 ;; Version    : 0.12.0