Add current English Google Play Store application description as text files. This makes it easier for translators to track changes to the descriptions and update the translations.
added README.md explaining the content of the playstore folder
German translation of the Play Store promo text
translated Play Store description to German
translated Play Store recent changes to German
fixed typos in German translation of Play Store texts
shortened German translations of Play Store texts because they were over the text length limit
Merge pull request #241 from tensberg/playstore

Add Play Store descriptions to GitHub repository