WIP: fix bugs, compiles, works, 4tests are failed
WIP: changes to collapse func, doesnot work
WIP: changes to convertToRigidAffine file, not sure
WIP: current changes to BFitHelperTmp hxx

collapse function has changed a lot.
It compiles and run but bas results as before.
collapsing is commented out.
WIP: Hoooray!

Almost every thing works!
1) change "ConvertToRigidAffine.h" to its previous status.
2)check one segfault test.
3)replace the baseline of other tests.