Merge pull request #81 from fadler/fadler_dev

Merge pull request #79 from fadler/master
Merge remote-tracking branch 'origin/fadler_dev'
[VA] {refactoring} options menu

reworked options menu: there are now 3 categories (misc, sound,
graphics)
[VA] {refactoring} options menu

added possibility to change graphics quality
merge

merge
Merge pull request #85 from fadler/master

Fadler dev