added png icons
Merge branch 'master' of ssh://git@github.com/BenediktBeuttler/dhbwApp.git
pushed all options xml files and added icons for options menu
Merge branch 'master' of ssh://git@github.com/BenediktBeuttler/dhbwApp.git
Merge branch 'master' of ssh://git@github.com/BenediktBeuttler/dhbwApp.git
changed icons