Update README.md

Extended year range

Author: chester89

README.md

@@ -26,6 +26,6 @@ Fluent NHibernate wouldn't be possible without the time and effort of its contri
 
 Thanks goes to [Jeremy Miller](http://codebetter.com/blogs/jeremy.miller) for the original idea and implementation.
 
-Fluent NHibernate is © 2008-2013 [James Gregory](http://jagregory.com) and contributors under the [BSD license](fluent-nhibernate/blob/master/LICENSE.txt)
+Fluent NHibernate is © 2008-2014 [James Gregory](http://jagregory.com) and contributors under the [BSD license](fluent-nhibernate/blob/master/LICENSE.txt)
 
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