This puts the actual mesh into the scene rather than just loading it and
discarding it afterwards. Now file arguments supplied to the application
actually work.
Fixes "Open With" on Windows and the related Asana issue.
* 15.06:
Updated name in menu for firmware update
Added exception handling to listen thread join
Render a transparent ghost of the selection when things are selected.
Add changes of 15.05.93 release
Make button tooltip text use the dark color from the palette
Render the build platform grid as a single sided plane
Ignore selection when moving objects due to collision
Use the right offset for object collision after Polygon collision was fixed