Update de.js
Update de.js

Converted the formal you ("Sie") in the informal "Du" and made some parts a little bit more consistent.
mcdee/etherwallet,egzumer/etherwallet,kvhnuke/etherwallet,ubiq/pyruswallet,kvhnuke/etherwallet,egzumer/etherwallet,ubiq/pyruswallet,egzumer/etherwallet,mcdee/etherwallet,ubiq/pyruswallet,mcdee/etherwallet