part1: l10n: de.po: use imperative form for command options

Signed-off-by: Ralf Thielow <ralf.thielow@gmail.com>
part2: l10n: de.po: use imperative form for command options

Signed-off-by: Ralf Thielow <ralf.thielow@gmail.com>
part3: l10n: de.po: use imperative form for command options

Signed-off-by: Ralf Thielow <ralf.thielow@gmail.com>
part4: l10n: de.po: use imperative form for command options

Signed-off-by: Ralf Thielow <ralf.thielow@gmail.com>
part5: l10n: de.po: use imperative form for command options

Signed-off-by: Ralf Thielow <ralf.thielow@gmail.com>
part6: l10n: de.po: use imperative form for command options

Signed-off-by: Ralf Thielow <ralf.thielow@gmail.com>
part7: l10n: de.po: use imperative form for command options

Signed-off-by: Ralf Thielow <ralf.thielow@gmail.com>