added license

README.md

@@ -46,7 +46,7 @@
    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](http://www.apache.org/licenses/LICENSE-2.0)
+     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,