Update de_DE.lang
Merge pull request #1538 from Vexatos/patch-4

Update de_DE.lang
Merge branch 'master' into development
Stop energy cube core rendering when cube is empty.

This will stop it from blocking out other rendering when it's not opaque
enough to be visible
Merge pull request #1559 from jstockwin/development

Stop energy cube core rendering when cube is empty.
Merge back a few bug fixes
Merge a few more fixes
Minor cleanup and tabs
Merge branch 'master' into development