xfce简单美化（numix，docky）

numix主题和图标

sudo add-apt-repository ppa:numix/ppa
sudo apt-get update
sudo apt-get install numix-gtk-theme numix-icon-theme-circle

xfce主题管理工具 xfce-theme-manager

sudo add-apt-repository ppa:rebuntu16/other-stuff
sudo apt-get update
sudo apt-get install xfce-theme-manager

软件栏Docky

sudo add-apt-repository ppa:docky-core/ppa
sudo apt-get update
sudo apt-get install docky