tweaks to the new project wizard pulldown

Tweaks to project type names; put the `blank project` option in a group for symmetry: @ussuri.

![screen shot 2014-06-02 at 11 55 51 am](https://cloud.githubusercontent.com/assets/1269969/3151910/fe23fc16-ea87-11e3-9b15-16abe8655e64.png)