Consistent style for 'all votes' and 'more possible friends' links on members#show

This puts these two links in a consistent position and gives them a clean button style, establishing a consistent style for 'give me more like this' links.

## After

![screen shot 2014-10-29 at 4 20 24 pm](https://cloud.githubusercontent.com/assets/1239550/4821429/751a10d0-5f2c-11e4-9396-652c4d02058a.png)

## Before

![screen shot 2014-10-29 at 4 26 11 pm](https://cloud.githubusercontent.com/assets/1239550/4821430/7baee4ca-5f2c-11e4-84a0-f7a40691e9fe.png)

![screen shot 2014-10-29 at 4 26 15 pm](https://cloud.githubusercontent.com/assets/1239550/4821431/812232fe-5f2c-11e4-937e-559de51e6445.png)