don't make documentroot include domain-name by default (forgot on update); remove possible undefined index; beautification for template-forms, thx to monumentum

Signed-off-by: Michael Kaufmann (d00p) <d00p@froxlor.org>
use the version compare of version.froxlor.org also in froxlor, thx for the hint to byteworkshosting

Signed-off-by: Michael Kaufmann (d00p) <d00p@froxlor.org>
include future -dev version-strings in version-check

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