Fixed license string and spec file header

OBS-URL: https://build.opensuse.org/package/show/Documentation:Tools/sigil?expand=0&rev=2

sigil.spec

@@ -1,10 +1,17 @@
 #
 # spec file for package sigil
 #
-# Copyright (c) 2011 SUSE LINUX Products GmbH, Nuernberg, Germany.
+# Copyright (c) 2011-2012 SUSE LINUX Products GmbH, Nuernberg, Germany.
-# This file and all modifications and additions to the pristine
-# package are under the same license as the package itself.
 #
+# All modifications and additions to the file contributed by third parties
+# remain the property of their copyright owners, unless otherwise agreed
+# upon. The license for this file, and modifications and additions to the
+# file, is the same license as for the pristine package itself (unless the
+# license for the pristine package is not an Open Source License, in which
+# case the license is the MIT License). An "Open Source License" is a
+# license that conforms to the Open Source Definition (Version 1.9)
+# published by the Open Source Initiative.
+
 # Please submit bugfixes or comments via http://bugs.opensuse.org/
 #
 
@@ -12,7 +19,7 @@ Name:           sigil
 Summary:        Multi-platform WYSIWYG Ebook Editor
 Version:        0.5.3
 Release:        0
-License:        GPLv3
+License:        GPL-3.0
 Group:          Productivity/Other
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 Source0:        http://sigil.googlecode.com/files/Sigil-%{version}-Code.zip