* 15.06:
Add a background to the tool additional controls
Rescale the current layer number based on the maximum layer
Add a text field style that can be used for generic text fields
Implemented feature described by #30
Handle finished signal for the ReadMeshJob started from command line args
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.
Fix for #29