pcb-rnd-extra   modular PCB editor- extra/optional functionality

- align objects to grid
- optimize tracks
- font editor
- combine polygons
- renumber subcircuits
- apply vendor drill mapping.

 distribute and align objs       yes, PLUGIN     [distalign]
 djopt board optimization        yes, PLUGIN     [djopt]
 font editor                     yes, PLUGIN     [fontmode]
 push lines out of the way       yes, PLUGIN     [jostle]
 combine selected polygons       yes, PLUGIN     [polycombine]
 stitch polygon at cursor        yes, PLUGIN     [polystitch]
 puller                          yes, PLUGIN     [puller]
 renumber action                 yes, PLUGIN     [renumber]
 command shorthands              yes, PLUGIN     [shand_cmd]
 vendor drill mapping            yes, PLUGIN     [vendordrill]
