Support German translation (#363)
German translations
* Added files via upload
First translation draft. Corrections need to be made with actual in hand program
* Added files via upload
* Japanese characters
正方ピクセルを保持 -> Force Squared Pixel translated as "Quadratische Pixel erzwingen"
* Small spelling error
Blur value ->Weichheitsgrad
* add loc/german/*.qm
* modify loc dir names to their local script
* fixup! update loc/*/*.qm
* fix "Sensitivity"