Added builds view

![Screen_Shot_2015-10-13_at_19.02.48](https://gitlab.com/gitlab-org/gitlab-ce/uploads/95bb3a7d9d603678fdd077558637045d/Screen_Shot_2015-10-13_at_19.02.48.png)

/cc @dzaporozhets @vsizov 


See merge request !1593