fixing reply-tab bug and user profile background adjustment

fixing this bug when the email icon appears:

![screenshot 2014-11-26 09 48 31](https://cloud.githubusercontent.com/assets/1681963/5204060/150c42e6-755a-11e4-88e0-4f9929c66906.png)

and allowing background images to scale to cover longer profiles... as discussed here:

https://forums.theanimenetwork.com/t/welcome-to-the-new-forums/7632/178