Fixing os_profiles view modes and app settings.

#5393 

This PR addresses the TODO's in the issue above.

- Full view mode with and without an uploaded picture now are the same:
![selection_038](https://cloud.githubusercontent.com/assets/4497748/2535091/7a20e30e-b588-11e3-801b-60be7dbcf42f.png)
![selection_039](https://cloud.githubusercontent.com/assets/4497748/2535092/7a22bf08-b588-11e3-8279-15164f382aba.png)

- No clipping of text on slider view mode:
![selection_040](https://cloud.githubusercontent.com/assets/4497748/2535093/8297f0e0-b588-11e3-9a10-424a1c57feb3.png)

- LOP with teaser view mode is now the same as in the "/people" page:
![selection_041](https://cloud.githubusercontent.com/assets/4497748/2535097/8c99034a-b588-11e3-9c10-604b94322825.png)