slightly update de-translation
|Reported by:||Owned by:||Adrian Holovaty|
|Has patch:||no||Needs documentation:||no|
|Needs tests:||no||Patch needs improvement:||no|
A slightly modified de-translation:
changed all occurences of "Passwort" to "Kennwort" (we should decide which of one to use, and then use it throughout django :) and fixed a few typos.
Should we really open a new Ticket for each and every translation update?