Added LICENSE file

lib/otp.net/LICENSE

@@ -0,0 +1,19 @@
+The contents of this project are subject to the Erlang Public License,
+Version 1.1, (the "License"); you may not use this file except in
+compliance with the License. You should have received a copy of the
+Erlang Public License along with this software. If not, it can be
+retrieved via the world wide web at http://www.erlang.org/.
+
+Software distributed under the License is distributed on an "AS IS"
+basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+the License for the specific language governing rights and limitations
+under the License.
+
+The Initial Developer of the Original Code is Ericsson Utvecklings AB.
+Portions created by Ericsson are Copyright 1999, Ericsson Utvecklings
+AB. All Rights Reserved.
+
+Converted from Java to C# by Vlad Dumitrescu (vlad_Dumitrescu@hotmail.com)
+Contributors: 
+  - Paul Shaffer, 
+  - Serge Aleynikov (saleyn@gmail.com)