added license file

Author: flosse

LICENCE.txt

@@ -0,0 +1,21 @@
+The MIT License
+
+Copyright (c) 2012-2014 Markus Kohlhase ([email protected])
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

README.md

@@ -2,9 +2,10 @@
 
 A simple JSON file store for node.js.
 
-[![Build Status](https://secure.travis-ci.org/flosse/json-file-store.png)](http://travis-ci.org/flosse/json-file-store)
-[![Dependency Status](https://gemnasium.com/flosse/json-file-store.png)](https://gemnasium.com/flosse/json-file-store)
-[![NPM version](https://badge.fury.io/js/jfs.png)](http://badge.fury.io/js/jfs)
+[![Build Status](https://secure.travis-ci.org/flosse/json-file-store.svg?branch=master)](http://travis-ci.org/flosse/json-file-store)
+[![Dependency Status](https://gemnasium.com/flosse/json-file-store.svg)](https://gemnasium.com/flosse/json-file-store)
+[![NPM version](https://badge.fury.io/js/jfs.svg)](http://badge.fury.io/js/jfs)
+[![License](https://img.shields.io/npm/l/jfs.svg)](https://github.com/flosse/json-file-store/blob/master/LICENCE.txt)
 
 WARNING:
 Don't use it if you want to persist a large amount of objects.