Model Name should be displayed on window title

[Lukas Siemon]

Not on 3D view title as currently done @funabab

Should be easy once I merge the ci branch.

[Funsho]

Should be displayed in window title maybe also add an asterisk when a modification was made. This is probably what you mean by window title right?
https://dl.dropboxusercontent.com/s/hbhs704x8usaang/rect4159.png?dl=0
Painfully linux budgie desktop does not display app native window title (or maybe it requires configuration), had to switch back to unity.

[Lukas Siemon]

I've integrated into the existing bar. Keep it compact...