added license to readme

README.textile

@@ -52,3 +52,23 @@ h2. Distribution
 
 The latest distribution can be found in the "downloads section":https://github.com/jboner/akka/downloads
 
+h2. License
+
+<pre>
+This software is licensed under the Apache 2 license, quoted below.
+
+Copyright 2009 Scalable Solutions AB <http://scalablesolutions.se>
+
+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.
+</pre>
+