adicu/Courses — pull request #111 by brishin (2013-11-23 06:53:35+00:00)
Title: Allow courses to overlap each other

Closes #2
![screen shot 2013-11-23 at 1 53 12 am](https://f.cloud.github.com/assets/920130/1606002/f7c3dc14-540b-11e3-808e-37e1f6bb5782.png)