Update de_DE.lang
Merge pull request #443 from Vexatos/patch-1

Update de_DE.lang
Merge localization update.
Merge branch '1.6.4' of https://github.com/CrazyPants/EnderIO into 1.6.4
#420 Huge update to localization. A few new strings added a many keys changed.
Merge branch '1.6.4'