New disk selection interface

- The Configuration Dialog -> Disks tab now has combos to show
insert/eject disks which is largely used in some Microsoft applications, as well as it now the images are automatically swapped if you try to insert on one drive the image connected to the
other.

- The context menu was completely removed, since the combo functions offers a more intuitive way to eject/unplug drives

- The Apple logo was redone following the same-ish colour pattern but with a more modern look. Of course this is my personal opinion, but the previous logo seemed a bit outdated.