add pixelmuerto theme

added pixelmuerto theme with git_remote function

screenshot of show local commits feature

![screenshot of local commits](http://f.cl.ly/items/3w0H2M3p3Y1F2f0t1e3B/Captura%20de%20pantalla%202011-08-08%20a%20la\(s\)%201.55.58.png)