Update de_DE.lang

Keeping German people happy :)
Merge pull request #40 from Vexatos/patch-1

Update de_DE.lang
Dutch Translations
Added some basic bonemeal comsumption. We need to tweak these values/speeds.etc.
Merge branch 'master' of http://github.com/OpenMods/OpenBlocks
changed back to water, tweaked values
trying to fix an issue with tank lighting causing crashes