Removing extension of the image tittle in the gallery.

#143 

![screen shot 2014-01-19 at 4 06 01 pm](https://f.cloud.github.com/assets/2622152/1949603/f674fd5e-8113-11e3-90c8-002d07c0082d.png)
![screen shot 2014-01-19 at 4 06 12 pm](https://f.cloud.github.com/assets/2622152/1949604/f68f61a8-8113-11e3-84c4-0e21e5449ebd.png)