0001151: Draft loads Part module at start

+ Fixed loading of Part module at startup
+ Minor cleaning around
#0001150: Abort on startup
#0001093: Improvements for Brep Inventor nodes (disabled atm)
Arch: Added preliminary dimensions tracking to walls
Arch: misc improvements

+ Further work on snap tracking dims
+ Better snap for structures
+ Corrected initial temp shape of structures
+ Added a box with wall length (still readonly)
Fix in returning correct surface from face
Merge branch 'master' of ssh://git.code.sf.net/p/free-cad/code
0001152: The output of __repr__() of Vector and Rotatio would create Objects with different Values do to inapropriate rounding
Fix license of script
Use framebuffer object as fallback for off-screen rendering