Add Pledgie campaign link

Author: sferik

CONTRIBUTING.md

@@ -20,6 +20,7 @@ Here are some ways *you* can contribute:
 * [financially][pledgie]
 
 [issues]: https://github.com/sferik/rails_admin/issues
+[pledgie]: http://www.pledgie.com/campaigns/15917
 
 ## Submitting an Issue
 We use the [GitHub issue tracker][issues] to track bugs and features. Before

README.md

@@ -1,4 +1,9 @@
-# RailsAdmin [![Build Status](https://secure.travis-ci.org/sferik/rails_admin.png?branch=master)][travis] [![Dependency Status](https://gemnasium.com/sferik/rails_admin.png?travis)][gemnasium] [![Code Climate](https://codeclimate.com/badge.png)][codeclimate] [![Click here to lend your support to: RailsAdmin and make a donation at www.pledgie.com !](https://www.pledgie.com/campaigns/15917.png)][pledgie]
+# RailsAdmin
+[![Build Status](https://secure.travis-ci.org/sferik/rails_admin.png?branch=master)][travis]
+[![Dependency Status](https://gemnasium.com/sferik/rails_admin.png?travis)][gemnasium]
+[![Code Climate](https://codeclimate.com/badge.png)][codeclimate]
+[![Pledgie](https://www.pledgie.com/campaigns/15917.png)][pledgie]
+
 RailsAdmin is a Rails engine that provides an easy-to-use interface for managing your data.
 
 [travis]: http://travis-ci.org/sferik/rails_admin