ChicagoBoss/boss_db — pull request #188 by Navgeet (2014-07-17 09:38:29+00:00)
Title: include project specification in options passed to boss_db:find

Have implemented projection support for mongodb adapter.
The feature can be used as:

```erlang
boss_db:find(foo, [], [{project, [foo, bar]}]).
```

Please point out if something needs to be done in order to merge this.