Revert "Updated documentation"

This reverts commit b86e79caeec5f5d03c38bdb8b27e9b3d62102df6.
German language files added

created with CodeStyling Localization
renamed spanish language files

the spanish language files should be named to es_ES instead of es
Update documentation
corrected textdomain for theme translation
Merge pull request #100 from olli0578/master

German language files added