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

doc/licenses/apache-commons-collections/NOTICE

@@ -0,0 +1,16 @@
+# Name:    Apache Commons Collections
+# URL:     http://commons.apache.org/proper/commons-collections/
+# From:    'Apache Software Foundation' (https://www.apache.org/)
+# License: Apache v2.0
+#
+# --- BEGIN LICENSE FILE [3.2.2] ---
+This product includes software developed by
+The Apache Software Foundation (http://www.apache.org/).
+# --- END LICENSE FILE [3.2.2] ---
+# --- BEGIN LICENSE FILE [4.4] ---
+Apache Commons Collections
+Copyright 2001-2019 The Apache Software Foundation
+
+This product includes software developed at
+The Apache Software Foundation (http://www.apache.org/).
+# --- END LICENSE FILE [4.4] ---