added license of html5slides to readme file

README.markdown

@@ -2,3 +2,19 @@
 
 * E-Mailverschlüsselung mit GNU Privacy Guard
 * Mobilgeräte verfolgen mit Prey
+
+## License (html5slides)
+
+	Copyright 2011 Luke Mahé, Marcin Wichary, Benjamin Erb. 
+
+	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.