Update de_DE.properties

UPDATE! Cookies for this mod!
Update en_US.properties

Improved this.
Update de_DE.properties

Minor fix.
Update de_DE.properties

Changed Provider Pipe translation.
Update de_DE.properties

Changed translation of Supplier pipe, fits better...
Merge pull request #142 from Vexatos/patch-1

Updated de_DE.properties and en_US.properties