chore: updated licenese

Author: eeasss

LICENSE.md

@@ -1,6 +1,6 @@
 This project has been released under the [Apache License, version 2.0](http://www.apache.org/licenses/LICENSE-2.0.html), the text of which is included below. This license applies ONLY to the source of this repository and does not extend to any other Kendo UI distribution or variant, or any other 3rd party libraries used in a repository. For licensing information about Kendo UI, see the [License Agreements page](https://www.kendoui.com/purchase/license-agreement.aspx) at [KendoUI.com](http://www.kendoui.com).
 
-> Copyright © 2014-2015 Telerik
+> Copyright © 2014-2018 Progress Software
 
 > Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.