2012-11-04: added copyright notice to prettify

added copyright notice to prettify

diff --git a/prettify.css b/prettify.css
--- a/prettify.css
+++ b/prettify.css
@@ -1,1 +1,14 @@
+/* Copyright (C) 2006 Google Inc.
+
+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.*/
 .pln{color:#000}@media screen{.str{color:#080}.kwd{color:#008}.com{color:#800}.typ{color:#606}.lit{color:#066}.pun,.opn,.clo{color:#660}.tag{color:#008}.atn{color:#606}.atv{color:#080}.dec,.var{color:#606}.fun{color:red}}@media print,projection{.str{color:#060}.kwd{color:#006;font-weight:bold}.com{color:#600;font-style:italic}.typ{color:#404;font-weight:bold}.lit{color:#044}.pun,.opn,.clo{color:#440}.tag{color:#006;font-weight:bold}.atn{color:#404}.atv{color:#060}}pre.prettyprint{padding:2px;border:0px solid #888}ol.linenums{margin-top:0;margin-bottom:0}li.L1,li.L3,li.L5,li.L7,li.L9{background:#fff}
\ No newline at end of file
diff --git a/prettify.js b/prettify.js
--- a/prettify.js
+++ b/prettify.js
@@ -1,3 +1,17 @@
+// @source: http://code.google.com/p/google-code-prettify/
+// Copyright (C) 2006 Google Inc.
+//
+// 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.
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