dzp/gruvbox: https://github.com/morhetz/gruvbox.git @ 3439f8c5a518f6b914865f52f32776cd96284fae

amfl 3439f8c5a5 Added an option `g:gruvbox_foreground_guisp` to have guisp color override foreground color		11 vuotta sitten
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gruvbox.vim	3439f8c5a5 Added an option `g:gruvbox_foreground_guisp` to have guisp color override foreground color	10 vuotta sitten