add license to README

Author: brettporter

README.md

@@ -1,4 +1,23 @@
 puppet-svn
 ==========
 
-Puppet module for configuring a Subversion client
+Puppet module for configuring a Subversion client
+
+License
+-------
+```
+  Copyright 2011-2012 MaestroDev
+
+  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.
+```
+