(this is pointless)
- added separators between groups of menu items
- added icons for the Drawing -> Paint and for the Drawing - > Buffer
- added ability to add icons for the Tools
- added icons to the current tools (Dblsided Tool, Measurement Tool)
- added buttons in the toolbar for: Open Gerber, Open Excellon,
Open Gcode and Save Project As
- added button in Tools toolbar for Measurement tool
- added separators in the toolbar
- organized the toolbar buttons in multiple toolbars that can be disabled
with right click on the toolbar
- added names for the toolbars where they were not present
implement executing of tasks inside worker thread
cleanups, reimplement Isolate/New/OpenGerber as OOP style Shell commands
disable edit during shell execution, show some progress
add ability for breakpoints in other threads and only if available
add X11 safe flag, not sure what happen on windows