Polished translations.

To whoever it may concern: It's not a good idea to use robotic translator, thank you very much.
Merge pull request #940 from jokies/patch-3

Polished translations.
Modified one string because it's no more reused. Tried to avoid using professional vocabulary.
Merge pull request #941 from jokies/patch-4

Modified one string because it's no more reused. Tried to avoid using pr...
Change app details text
Merge branch 'master' of github.com:M66B/XPrivacy