Fixes a few commit issues based on the std:: rework. Add an option to delete tracks fully in pads and makes merge tracks smarter Fixes: lp:1787190 * https://bugs.launchpad.net/kicad/+bug/1787190
Uses the DRC architecture to support inspection of the changes to be made (right click on items, hover over them in the menu to highlight them on the board). Fixes: lp:1571305 * https://bugs.launchpad.net/kicad/+bug/1571305 Fixes: lp:1809474 * https://bugs.launchpad.net/kicad/+bug/1809474