Fix photos in spv and always show visibility of post

Rearranges the photos in the SPV (#4421) and always show the visibilty of a post (#4422)
![spv-photos](https://f.cloud.github.com/assets/3798614/1010567/7a1be52e-0b4d-11e3-9625-bead9afb5454.png)

While working on this I found out that there is another bug with the photos: There are just 8 displayed photos even if the post has a lot more. This bug also exists in the stream.