Merge pull request #117 from maxdow/patch-2

Added npm install option

Author: jirikavi

Diff for: README.md

@@ -19,7 +19,10 @@ Optionally: to install with bower, use:
 ```
 bower install --save angularjs-toaster
 ```
-
+or with npm :
+```
+npm install --save angularjs-toaster
+```
 * Link scripts:
 
 ```html
@@ -103,4 +106,4 @@ Inspired by http://codeseven.github.io/toastr/demo.html.
 Copyright © 2013 [Jiri Kavulak](https://twitter.com/jirikavi).
 
 ## License 
-AngularJS-Toaster is under MIT license - http://www.opensource.org/licenses/mit-license.php
+AngularJS-Toaster is under MIT license - http://www.opensource.org/licenses/mit-license.php