Arvoreniad/arcana — pull request #14 by JamesS237 (2014-02-02 02:19:46+00:00)
Title: Init averages on signup, add 'Please Select' on mark adding form

Sets:
```ruby
{:prompt => true}
```
in `views/results/index.html.erb` and calls
```ruby
@student.init_averages!
```
after user is saved.