Fix license confusion.

We relicensed as New BSD a long time ago, so the POM should reflect
that.

Also fixed the authors referenced in the LICENSE file.

Closes #66

LICENSE

@@ -1,6 +1,6 @@
 Getdown - application installer, patcher and launcher
 
-Copyright (C) 2004-2014 Three Rings Design, Inc.
+Copyright (C) 2004-2016 Getdown authors
 
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are met:

pom.xml

@@ -25,8 +25,8 @@
 
   <licenses>
     <license>
-      <name>GNU Lesser General Public License (LGPL), Version 2.1</name>
-      <url>http://www.fsf.org/licensing/licenses/lgpl.txt</url>
+      <name>The (New) BSD License</name>
+      <url>http://www.opensource.org/licenses/bsd-license.php</url>
       <distribution>repo</distribution>
     </license>
   </licenses>