Added German Language File
Russian localization
Create fr_FR.lang
Update and rename de_DE.lua to de_DE.lang
Update de_DE.lang

Tweaked the translations.
Merge pull request #1 from Vexatos/patch-1

Update and rename de_DE.lua to de_DE.lang
Merge branch 'patch-1' of github.com:VeryBigBro/compactsolars into langs
Merge branch 'patch-1' of github.com:robin4002/compactsolars into langs
Merge branch 'langs'