josevalim/rails-footnotes — pull request #107 by kayhide (2014-04-29 14:33:21+00:00)
Title: update initializer to check if Footnotes is defined

Consider this Gemfile:
```ruby
group :development do
gem 'rails-footnotes'
end
```

Except develpment env, rails fail to start because of generated initializer, saying:
```
uninitialized constant Footnotes (NameError)
```