Move Werner to the middle of the screen when adding grouping nodes back in. Also changed forces a bit to move nodes away from the edge of the window. 
Move Werner to the middle of the screen when adding grouping nodes back
in. Also changed forces a bit to move nodes away from the edge of the
window. 
STIXProject/stix-viz,txmoe/STIX,txmoe/STIX,STIXProject/stix-viz,STIXProject/stix-viz,txmoe/STIX