fixed bug that ok-button is not displayed in the newsDialog if text in scrollView is too long
fixed bug that ok-button is not displayed in the newsDialog if text in scrollView is too long

FAU-Inf2/fablab-android,fau-fablab/fablab-android,fau-fablab/fablab-android,FAU-Inf2/fablab-android,FAU-Inf2/fablab-android,fau-fablab/fablab-android