[Tails-l10n] (review)[de] Tails installer: various pages

Hi,
I translated a few mixed pages, they're rather short ;)
wiki/src/install/clone.de.po
wiki/src/install/download.de.po
wiki/src/install/dvd.de.po
wiki/src/install/win.de.po


Please review:
https://gitlab.com/spriver/tails.git
branch: de_install_various
HEAD commit: a38c56e Initial translation

Cheers!
spriver