GUACAMOLE-2139: Migrate all license information to new automated format.

doc/licenses/apache-commons-lang/NOTICE

@@ -0,0 +1,19 @@
+# Name:    Apache Commons Lang
+# URL:     http://commons.apache.org/proper/commons-lang/
+# From:    'Apache Software Foundation' (https://www.apache.org/)
+# License: Apache v2.0
+#
+# --- BEGIN LICENSE FILE [2.3] ---
+Apache Jakarta Commons Lang
+Copyright 2001-2007 The Apache Software Foundation
+
+This product includes software developed by
+The Apache Software Foundation (http://www.apache.org/).
+# --- END LICENSE FILE [2.3] ---
+# --- BEGIN LICENSE FILE [3.17.0] ---
+Apache Commons Lang
+Copyright 2001-2023 The Apache Software Foundation
+
+This product includes software developed at
+The Apache Software Foundation (https://www.apache.org/).
+# --- END LICENSE FILE [3.17.0] ---