Remove container div

.container class is fixed at 940px, also in the default.twig we have already a .contaier-narrow

**Before**
![screen shot 2013-07-18 at 8 47 12 am](https://f.cloud.github.com/assets/209782/817518/94a6bcea-ef76-11e2-95c7-a8f82f4abdbb.png)

**After**
![screen shot 2013-07-18 at 8 46 50 am](https://f.cloud.github.com/assets/209782/817519/9dd06dfc-ef76-11e2-8acf-6f93acaf4840.png)