Add a Bitdeli badge to README

Author: bitdeli-chef

README.md

@@ -5,4 +5,7 @@ Web-based user authentication with facial recognition.
 
 - [CamCanvas-API](https://github.com/taboca/CamCanvas-API-/ "CamCanvas-API") by 'taboca'
 - [ccv](https://github.com/liuliu/ccv/ "ccv") by 'liuliu'
-- [Pixastic](https://github.com/jseidelin/pixastic "Pixastic") by 'jseidelin'
+- [Pixastic](https://github.com/jseidelin/pixastic "Pixastic") by 'jseidelin'
+
+[![Bitdeli Badge](https://d2weczhvl823v0.cloudfront.net/livingston/gate-keeper/trend.png)](https://bitdeli.com/free "Bitdeli Badge")
+