Fix msa report types and increase single select form widths

Previously the report type was a multi select which was incorrect. This commit changes it and also changes the tests to reflect this update.

I've also added a form-control class on the single select inputs which increases the width to match with the rest of the form inputs. Screenshot:

![screen shot 2014-11-24 at 14 56 37](https://cloud.githubusercontent.com/assets/449004/5167023/f0e33cd0-73ec-11e4-8d94-99d5b6adffd3.png)