Try to show the No UI Dialog if we are in a non-headless encironment and no UI was found.
Try to show the No UI Dialog if we are in a non-headless encironment and no UI was found.

greboid/DMDirc,greboid/DMDirc,ShaneMcC/DMDirc-Client,csmith/DMDirc,DMDirc/DMDirc,ShaneMcC/DMDirc-Client,ShaneMcC/DMDirc-Client,DMDirc/DMDirc,ShaneMcC/DMDirc-Client,greboid/DMDirc,csmith/DMDirc,csmith/DMDirc,greboid/DMDirc,DMDirc/DMDirc,csmith/DMDirc,DMDirc/DMDirc