Nav links hover animation

Add a nice animation to the navigation links.

Signed-off-by: Emanuele <feliziani.emanuele@gmail.com>
New home mammocci & other home styles

New home mammocci styles, plus other home fixes and improvements.

Signed-off-by: Emanuele <feliziani.emanuele@gmail.com>
New portfolio (with test translucency)

The portfolio has been significantly revised. The main thing is in place, but this commit also includes a test for a translucent background, very Yosemite style, but I am not sure about it. I will submit it to the designer and see what he thinks of it.

Signed-off-by: Emanuele <feliziani.emanuele@gmail.com>