Updated copyright year range in mkdocs.yml

Author: michalbundyra

mkdocs.yml

@@ -23,4 +23,4 @@ pages:
 site_name: zend-mvc
 site_description: 'zend-mvc: MVC application provider'
 repo_url: 'https://github.com/zendframework/zend-mvc'
-copyright: 'Copyright (c) 2016 <a href="http://www.zend.com/">Zend Technologies USA Inc.</a>'
+copyright: 'Copyright (c) 2005-2017 <a href="http://www.zend.com/">Zend Technologies USA Inc.</a>'