Update copyright to 2020.

LICENSE

-Copyright 2010--2017 The Tor Project
+Copyright 2010--2020 The Tor Project
 
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are

src/main/java/org/torproject/metrics/exonerator/ExoneraTorDatabaseImporter.java

-/* Copyright 2011--2018 The Tor Project
+/* Copyright 2011--2020 The Tor Project
  * See LICENSE for licensing information */
 
 package org.torproject.metrics.exonerator;

src/main/java/org/torproject/metrics/exonerator/ExoneraTorDate.java

-/* Copyright 2017--2018 The Tor Project
+/* Copyright 2017--2020 The Tor Project
  * See LICENSE for licensing information */
 
 package org.torproject.metrics.exonerator;

src/main/java/org/torproject/metrics/exonerator/ExoneraTorRedirectServlet.java

-/* Copyright 2018 The Tor Project
+/* Copyright 2018--2020 The Tor Project
  * See LICENSE for licensing information */
 
 package org.torproject.metrics.exonerator;

src/main/java/org/torproject/metrics/exonerator/ExoneraTorServlet.java

-/* Copyright 2011--2018 The Tor Project
+/* Copyright 2011--2020 The Tor Project
  * See LICENSE for licensing information */
 
 package org.torproject.metrics.exonerator;

src/main/java/org/torproject/metrics/exonerator/QueryResponse.java

-/* Copyright 2017--2018 The Tor Project
+/* Copyright 2017--2020 The Tor Project
  * See LICENSE for licensing information */
 
 package org.torproject.metrics.exonerator;

src/main/java/org/torproject/metrics/exonerator/QueryServlet.java

-/* Copyright 2017--2018 The Tor Project
+/* Copyright 2017--2020 The Tor Project
  * See LICENSE for licensing information */
 
 package org.torproject.metrics.exonerator;

src/main/java/org/torproject/metrics/exonerator/ServerMain.java

-/* Copyright 2017--2018 The Tor Project
+/* Copyright 2017--2020 The Tor Project
  * See LICENSE for licensing information */
 
 package org.torproject.metrics.exonerator;

src/main/resources/bootstrap-development.sh

 #!/bin/sh
 #
-# Copyright 2016--2018 The Tor Project
+# Copyright 2016--2020 The Tor Project
 # See LICENSE for licensing information
 #
 # Use for submodule initialization and checkout.

src/main/sql/exonerator.sql

--- Copyright 2011--2018 The Tor Project
+-- Copyright 2011--2020 The Tor Project
 -- See LICENSE for licensing information
 
 --------------------------------------------------------------------------------

src/main/sql/exonerator2.sql

--- Copyright 2011--2018 The Tor Project
+-- Copyright 2011--2020 The Tor Project
 -- See LICENSE for licensing information
 
 --------------------------------------------------------------------------------

src/test/java/org/torproject/metrics/exonerator/ExoneraTorDateTest.java

-/* Copyright 2017--2018 The Tor Project
+/* Copyright 2017--2020 The Tor Project
  * See LICENSE for licensing information */
 
 package org.torproject.metrics.exonerator;

src/test/java/org/torproject/metrics/exonerator/ExoneraTorServletTest.java

-/* Copyright 2017--2018 The Tor Project
+/* Copyright 2017--2020 The Tor Project
  * See LICENSE for licensing information */
 
 package org.torproject.metrics.exonerator;

src/test/java/org/torproject/metrics/exonerator/QueryResponseTest.java

-/* Copyright 2017--2018 The Tor Project
+/* Copyright 2017--2020 The Tor Project
  * See LICENSE for licensing information */
 
 package org.torproject.metrics.exonerator;