minor fixes in installation

Signed-off-by: Michael Kaufmann (d00p) <d00p@froxlor.org>
use language file and better description for google-webfont integration

Signed-off-by: Michael Kaufmann (d00p) <d00p@froxlor.org>
fix fpm-description in english langfile; make --force command really force a regeneration of the config files by inserting the task; beautify nginx customer vhost

Signed-off-by: Michael Kaufmann (d00p) <d00p@froxlor.org>