minimizing the desktop topic view, removes grey background

also removed bootstrap dependency

![screenshot 2013-10-19 09 22 45](https://f.cloud.github.com/assets/1681963/1367245/29092c16-390e-11e3-847f-7f37d0603f74.png)
![screenshot 2013-10-19 09 22 59](https://f.cloud.github.com/assets/1681963/1367247/2909923c-390e-11e3-9da3-1f22b168dd9f.png)
![screenshot 2013-10-19 09 23 14](https://f.cloud.github.com/assets/1681963/1367246/2909650a-390e-11e3-8211-6fd063d3b9c8.png)
![screenshot 2013-10-19 09 23 34](https://f.cloud.github.com/assets/1681963/1367248/2909cab8-390e-11e3-935e-5065f1a13a3b.png)