Cirilo Bernardo 1060d4ac6e Fix and improve IDF tools
The attached patch makes the following changes to the IDF
tool 'dxf2idf':

1. DXF units are now correctly scaled to mm
2. Polylines are now supported
3. LWPolylines are now supported
2016-03-22 11:29:59 -04:00
..
2016-03-22 11:29:59 -04:00