CLC-3199: Lecture drop-down width is now normal size

https://jira.ets.berkeley.edu/jira/browse/CLC-3199
@christianv

There's a strange phenomenon that appears on the drop down list on IE that I noticed while working on this ticket:
![screen shot 2014-02-26 at 5 23 23 pm](https://f.cloud.github.com/assets/1487616/2278222/a8820c2c-9f4f-11e3-9660-ab7f27d96d33.png)
This width of the outer select box is fixed; I'm currently trying to find out what is going on with the "inner select box"