Races selection draft

![races-selection-draft](https://cloud.githubusercontent.com/assets/867308/4434926/defb1ca6-472b-11e4-8ca3-aee1fd451681.png)

- [x] Review the primary races modelling
- [x] Review the layout
- [x] Make the races list dynamic
- [x] Work with traits description
- [x] Move the hashes to a model
- [x] Make the races details dynamic
- [x] Make the races variants/subraces dynamic
- [x] Make the races tratis dynamic