Add a "License:" tag to all code files.

In cases where there is no license specified, the file is tagged as
"License: Unspecified".  Obviously, that is not ideal, but it
highlights the fact, and I hope that it encourages whoever has the
authority to specify the license to do so.

On that note, to anyone who may have the authority to specify the
license of files in devtools: the current licence of many files is
GPLv2 with no option for later versions; I impore you to re-license
them to have the "or any later version" option.

arch-nspawn.in

 #!/bin/bash
+# License: GNU GPLv2
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation; version 2 of the License.

archbuild.in

 #!/bin/bash
+# License: Unspecified
 
 m4_include(lib/common.sh)
 m4_include(lib/archroot.sh)

archco.in

 #!/bin/bash
+# License: Unspecified
 
 m4_include(lib/common.sh)
 

archrelease.in

 #!/bin/bash
+# License: Unspecified
 
 m4_include(lib/common.sh)
 m4_include(lib/valid-tags.sh)

archrm.in

 #!/bin/bash
+# License: Unspecified
 
 m4_include(lib/common.sh)
 

bash_completion.in

 #!/hint/bash
+# License: Unspecified
 
 _devtools_compgen() {
   local i r

checkpkg.in

 #!/bin/bash
+# License: Unspecified
 
 shopt -s extglob
 

commitpkg.in

 #!/bin/bash
+# License: Unspecified
 
 m4_include(lib/common.sh)
 

crossrepomove.in

 #!/bin/bash
+# License: Unspecified
 
 m4_include(lib/common.sh)
 

find-libdeps.in

 #!/bin/bash
+# License: Unspecified
 
 m4_include(lib/common.sh)
 

finddeps.in

@@ -2,6 +2,7 @@
 #
 # finddeps - find packages that depend on a given depname
 #
+# License: Unspecified
 
 m4_include(lib/common.sh)
 

lddd.in

@@ -2,6 +2,7 @@
 #
 # lddd - find broken library links on your machine
 #
+# License: Unspecified
 
 m4_include(lib/common.sh)
 

lib/archroot.sh

 #!/hint/bash
+# License: Unspecified
 
 CHROOT_VERSION='v4'
 

lib/common.sh

 #!/hint/bash
 
+# License: Unspecified
+
 # Avoid any encoding problems
 export LANG=C
 

lib/valid-tags.sh

 #!/hint/bash
+# License: Unspecified
 
 _arch=(
 	i686

makechrootpkg.in

 #!/bin/bash
+# License: GNU GPLv2
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation; version 2 of the License.

mkarchroot.in

 #!/bin/bash
+# License: GNU GPLv2
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation; version 2 of the License.

rebuildpkgs.in

 #!/bin/bash
+# License: Unspecified
+#
 # This script rebuilds a list of packages in order
 # and reports anything that fails
 # 

zsh_completion.in

 #compdef archbuild archco arch-nspawn archrelease archrm commitpkg finddeps makechrootpkg mkarchroot rebuildpkgs extrapkg=commitpkg corepkg=commitpkg testingpkg=commitpkg stagingpkg=commitpkg communitypkg=commitpkg community-testingpkg=commitpkg community-stagingpkg=commitpkg multilibpkg=commitpkg multilib-testingpkg=commitpkg extra-i686-build=archbuild extra-x86_64-build=archbuild testing-i686-build=archbuild testing-x86_64-build=archbuild staging-i686-build=archbuild staging-x86_64-build=archbuild multilib-build=archbuild multilib-testing-build=archbuild multilib-staging-build=archbuild kde-unstable-i686-build=archbuild kde-unstable-x86_64-build=archbuild gnome-unstable-i686-build=archbuild gnome-unstable-x86_64-build=archbuild communityco=archco
+# License: Unspecified
 
 m4_include(lib/valid-tags.sh)