Updated dependencies

*Keep dependencies updated ;)*

I updated this **dependencies**:
```connect-mongo``` 0.4.0 -> 0.3.2
```glob``` 3.2.9 -> 3.1.14
```grunt-contrib-clean``` 0.5.0 -> 0.4.1
```grunt-contrib-coffee``` 0.10.1 -> 0.7.0
```grunt-contrib-copy``` 0.5.0 -> 0.4.1
```grunt-contrib-cssmin``` 0.9.0 -> 0.6.1
```grunt-contrib-jst``` 0.6.0 -> 0.5.0
```grunt-contrib-less``` 0.10.0 -> 0.9.0
```grunt-contrib-uglify``` 0.4.0 -> 0.2.2
```grunt-contrib-watch``` 0.5.3 -> 0.4.4

But I don't updated ```express``` to 3.4.8 (stable) or 4.0.0-rc2.

For all changelogs, see [this](https://david-dm.org/balderdashy/sails) *before* accept this pull request.