edx/edx-platform — pull request #3084 by sarina (2014-03-27 02:11:44+00:00)
Title: Improve the batch beta tester add feature

Includes:
* Allow batch beta enrollment by username
![screen shot 2014-03-26 at 10 09 33 pm](https://cloud.githubusercontent.com/assets/1985317/2533161/06f5fe42-b555-11e3-9f94-33090b5a3f47.png)