GCI-31 Change buttons in NavBar

Well, I changed the type of button so it's corresponds buttons below (btn-success), size, frame(increase padding scale).. You can see it on the screen below -->
![selection_018](https://cloud.githubusercontent.com/assets/10185308/5559132/0e42e324-8d6b-11e4-9745-6ccf8a457235.png)