Update de.json

Everything is translated until online-transactions.
edit README.md simplify JSON validation note
merge
Email only pricing now also available, and some discounting, so pricing needs update.
rm Zarafa (reason: limited functionality with community edition, focus on proprietary MS Outlook)
rm Zarafa (reason: limited functionality with community edition, focus on proprietary MS Outlook #542)
Merge branch 'master' of github.com:nylira/prism-break
Merge pull request #566 from greve/master

MyKolab.com now also has email-only pricing, and payment period discounts
rm Zimbra (reason: open core), update 'Mail server' note
Update index.html
rm Zimbra logo
Update de.json
merge changes
Merge branch 'Casimo-patch-2'
fix de.json add missing end
remove note about Bitmessage in de.json
Revert "rm Bitmessage (reason: secupost.net IP vulnerability #465)"

This reverts commit bdc11204e8ccb193348f75064bb7eb8ccf564365.
Revert "remove note about Bitmessage in de.json"

This reverts commit 1ed3c74d5ed0bfec163901d28e8b40095a05ef59.
Update de.json

pdated Online transactions, Digital distribution and VPN
Merge pull request #570 from Casimo/patch-1

Update de.json