Applications generator endpoint

* to get a JSON with 1000 applications generated on random: ```http://localhost:4200/api/applications```
* to get a specific number of applications: ```http://localhost:4200/api/applications/:count```

![10260027_787935644559675_1136416823202125848_n](https://cloud.githubusercontent.com/assets/701848/3115922/aeb8396e-e710-11e3-9b11-e74d6c83418b.jpg)