Added Original version of BC, my system uses also pre variables
Added methods editExistingTcons, checkConstraint; not tested
still not working, it seems that constraint is not checked againts newly changed
creation of synthetic test - including 1,2,3,4 intervals
No backtracking algorithm, creating synthetic data
Edited CMakelist
Changed pairs_new
Added documentation and deleted methods, which were not used anymore
Supporting files, mainly used in experiments.
Now, tasks are replayed correctly from DB (previously, all tasks were the first one in DB)