Sync 2Geom to e7245a01127647cd20b0d851a0a622d9ded38d23. Restores correct meaning of Line::versor().
Fix build failures on some platforms. Correct CMakeLists.txt after 2Geom sync - patch by su_v.
Upgrade to 2Geom r2413
2Geom sync - initial commit
update 2geom's copy to r2142
Synchronized 2geom to revision 2058
cppcheck performance
Update 2Geom to pull in integer rectangle class
more missing 2geom files