revised a bit the buttons placement and text in interface
added buttons to automatically set ICP defaults for METERS and MILLIMETERS
WARNING- edit:align filter does not compile yet due to rendering issues
Many major changes:
- New parameter for controlling the arc creation process
- Search of bad alignment
- Improved ICP (borderflag bug removed)
- Improved Process (now it only compute new arcs and it does not recompute all the arcs every time) Global Alignment is triggered every time.