[#141]added list of competitions to Contest show view


![zrzut ekranu z 2014-05-12 14 03 25](https://cloud.githubusercontent.com/assets/1115619/2944059/d923ba0c-d9cd-11e3-96c3-8e5f4e08255a.png)

[#141]changed show for contest and pl.yml & en.yml