Make buttons inline and modify their text [PD-823]

Main approval screen
![2014-12-03-111852_531x286_scrot](https://cloud.githubusercontent.com/assets/3379265/5284025/895569d6-7adf-11e4-88a6-668c8d060936.png)

Deny modal
![2014-12-03-111859_595x286_scrot](https://cloud.githubusercontent.com/assets/3379265/5284027/8bf6d7e2-7adf-11e4-8fa4-92873d4f767c.png)

Block modal
![2014-12-03-111908_584x254_scrot](https://cloud.githubusercontent.com/assets/3379265/5284029/8e26c9e6-7adf-11e4-9f2a-0f7e25978e83.png)

Main approval screen without css rule
![2014-12-03-112820_516x271_scrot](https://cloud.githubusercontent.com/assets/3379265/5284030/9035d754-7adf-11e4-8924-30f3b09e8e51.png)

All tests pass.