Update version, year (#538)

Author: AlekseyMartynov

LICENSE.txt

@@ -1,6 +1,6 @@
 BSD 3-Clause License
 
-Copyright (c) 2012-2019, CodePlex Foundation
+Copyright (c) 2012-2020, CodePlex Foundation
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without

SharedAssemblyInfo.cs

@@ -4,11 +4,11 @@
 // WARNING this file is shared accross multiple projects
 
 [assembly: AssemblyProduct("ASP.NET AJAX Control Toolkit")]
-[assembly: AssemblyCopyright("Copyright (c) 2012-2019, CodePlex Foundation")]
+[assembly: AssemblyCopyright("Copyright (c) 2012-2020, CodePlex Foundation")]
 [assembly: AssemblyCompany("CodePlex Foundation")]
 
-[assembly: AssemblyVersion("19.1.0.0")]
-[assembly: AssemblyFileVersion("19.1.0.0")]
+[assembly: AssemblyVersion("20.1.0.0")]
+[assembly: AssemblyFileVersion("20.1.0.0")]
 
 [assembly: NeutralResourcesLanguage("en-US")]