Update copyright years

README.md

@@ -41,7 +41,7 @@ To use this element:
 
     This software is licensed under the Apache 2 license, quoted below.
 
-    Copyright 2011-2015 Collaborne B.V. <http://github.com/Collaborne/>
+    Copyright 2011-2017 Collaborne B.V. <http://github.com/Collaborne/>
 
     Licensed under the Apache License, Version 2.0 (the "License"); you may not
     use this file except in compliance with the License. You may obtain a copy of
@@ -54,4 +54,4 @@ To use this element:
     WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
     License for the specific language governing permissions and limitations under
     the License.
-
+