Update tutorial licenses

Author: gregturn

LICENSE.code.txt

@@ -0,0 +1,16 @@
+ All code in this repository is:
+ =======================================================================
+ Copyright (c) 2013 GoPivotal, Inc. All Rights Reserved
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+

LICENSE.writing.txt

@@ -0,0 +1 @@
+Except where otherwise noted, this work is licensed under http://creativecommons.org/licenses/by-nd/3.0/