symlink for dash/style-sheet icons
Merged commit fd51af7345b17751a5e20d3dff933db68e25e62e.
Added hyperlink styling. Fixes #131
Fixed nemo desktop icons. Fixes #138
Improved menu for GtkPopover (3.12)
FIX : nautilus background greyed

border-radius > 0px makes nautilus background become @theme_bg_color (grey) instead of white.