benedikt/mongoid-tree — pull request #55 by haihappen (2014-03-30 19:36:54+00:00)
Title: Adds activesupport as runtime dependency.

I had problems using your gem without Rails. Loading a model which includes `Mongoid::Tree` fails with

```
NameError: uninitialized constant Mongoid::Tree::ActiveSupport
```

This commit fixes the dependency.