Add a Bitdeli badge to README

Author: bitdeli-chef

README.md

@@ -72,3 +72,7 @@ There is a demo project added to this repository, so you can see how it works.
 
 ## License
 This software is released under the MIT License.
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+[![Bitdeli Badge](https://d2weczhvl823v0.cloudfront.net/okmr-d/dofavoritebutton/trend.png)](https://bitdeli.com/free "Bitdeli Badge")
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