Update menu design and improve flash notice

I've made few design improvements. Would heard from you if it's ok.

First: Change menu a design:

Home layout:

![Screen Shot 2013-04-21 at 10 35 49 PM](https://f.cloud.github.com/assets/27034/407273/08675ba8-aaee-11e2-9c9f-20234b8d15a7.png)

Application layout:

![Screen Shot 2013-04-21 at 10 36 02 PM](https://f.cloud.github.com/assets/27034/407284/654b41b8-aaee-11e2-9f21-3b88053dbd5c.png)

I moved the flash notice to top of page and kept it disappearing after 5 seconds.

![Screen Shot 2013-04-21 at 10 36 51 PM](https://f.cloud.github.com/assets/27034/407287/6f392f46-aaee-11e2-8cdf-979229a73ecd.png)

Is it ok?